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GWR Single Line Sections
West Country Railway Archives
GWR Crest Great Western Railway
Single-Line Sections
and their methods of working		 GwR Crest
Index to Lines List of Sections Key to Methods of Working

This page gives details of single-line block sections on West Country lines of the former Great Western Railway and British Railways (Western Region). For details of other West Country railway lines please see the Register of Single-Line Sections page. For general information about the block working of single-line sections please read the Introduction to Single-Line Block Working page.

This page was updated last on 27 September 2024. Further information will be added as it becomes available. Lines are listed geographically from north-east to south-west, and their individual sections are listed in line order. There is an alphabetical Index to Lines for quick access to individual lines.

© CJL Osment 2002-24

Key to GWR Methods of Working
C2 Table C2 Working see Note OES One Engine in Steam (train staff)
EKT Electric Key Token OTW One Train Working (train staff) see Note
ETS Electric Train Staff TST Train Staff & Ticket
ETT Electric Train Tablet (Tyer's No 7?) USC Under Signalman's (or Shunter's) Control see Note
NS 'No Staff' Block YARD Yard Working
NSKT No Signalman Key Token
 

NOTE:

C2/USC. During the 1960s onwards a number of goods-only lines previously worked by OES were placed under the control of a nominated person (usually a signalman or shunter) and the physical train staff was abolished. Later these lines were listed in a new Table C2 in the Sectional Appendix and thereafter the method of working was described simply as 'Table C2'.

OTW. Originally this was simply OES described by another name after the demise of steam locomotion and the term is used on this page for any later sections specifically listed as OTW in BR records. More recently again it has been adopted to indicate one train working without a train staff, but it is not used in that context here.

Index to GWR  Lines
Abbotsbury Cheddar Valley Looe Portishead
Ashburton Clevedon Lyng Princetown
Barnstaple Drinnick Mill Kingsbridge Radstock
Blagdon Exe Valley Kingswear Royal Albert Bridge
Bodmin Falmouth Minehead St Ives
Bridport Fowey Moretonhampstead Teign Valley
Brixham Helston Newquay Tiverton
Camerton Hemyock Perranporth Yealmpton
Chard Launceston Portland Yeovil

Great Western Railway Sections
From To Method Config Notes

Portishead Branch   Note 65
Portishead Junction Portishead OTW   circa1879-1883
The line from Portishead Junction (later Parson Street Junction) to Clifton Bridge was doubled in 1883 and Ashton Junction was opened within that section in 1906. Other signal-boxes which existed along the double-track at various times are not listed in this Register.
Ashton Junction Clifton Bridge Double Track 1906-1966
Portishead OTW Square Blue + B? key 1966-72
TST   1972-78
OTW   1978-?
Clifton Bridge Oak Wood EKT   Short section 1929-60
Pill TST Triangular White 1883-circa1896 Note 67
ETS   circa1896-1929
EKT   Long section 1929-33 Note 66
EKT   Short section 1960-64
Portishead ETS   Long Section 1933-54 Note 66
EKT   Long Section 1954-65
OES Square Blue 1965-66
Oak Wood Pill EKT   Short section 1929-60
Pill Portbury Shipyard EKT C Short section 1918-64
Portishead TST Round Blue 1883-circa1896 Note 68
ETS   circa1896-1918
  Long section 1918-?post1924
EKT   Long section ?post1924-33 Note 66
Portbury Shipyard Portishead EKT D Short section 1918-64

Clevedon Branch
Yatton (West) Clevedon TST Square Red Until 1904
ETS   1904-1917
OES Round Red + Key 1917 onwards (no config nib on key)
Blagdon Branch   (Wrington Vale Light Railway)
Congresbury Blagdon OES   1901-50
Wrington     1950-63
Cheddar Valley line  (including East Somerset line)    Note 70   Note 71
Yatton (West) Cheddar TST Round Red by 1886-1896
Sandford & Banwell ETS   1896-1901
Congresbury ETS   1901-?
EKT A by 1948-64
Congresbury Sandford & Banwell ETS   1901-?
EKT D? by 1950-63
Wells Station Note 72 OES Note 73 1963-64
Sandford & Banwell Axbridge ETS   1896-?
EKT C by 1948-63
Axbridge Cheddar ETS   1896-?
EKT   by 1950-63
Cheddar Wells Tucker Street Note 72 TST Square Green by 1886-1896
Lodge Hill ETS   1896-1952
Wookey ETS   1952-54
Wells Station Note 72 EKT A 1954-63 Note 74
Wells East Somerset OES   1964-65 Note 74
Cranmore OES Round Red 1965-68
Worked as Siding 1968-69 Note 75
Lodge Hill Wookey ETS   1896-1952
Wookey Wells Tucker Street Note 72 ETS   1896-1954
Wells Tucker Street Note 72 Wells 'A' NS by 1896-1955
Wells East Somerset EKT   1955-63
YARD 1963-65
Wells 'A' Wells East Somerset NS by 1896-1955
Wells East Somerset Cranmore TST Round White 1880-1894
Shepton Mallet TST?   1894-96
ETS   1896-?
EKT D by 1948-1965
Shepton Mallet Cranmore TST?   1894-96
ETS   1896-?
EKT   ?-1965
Cranmore Witham TST Square Red 1880-1896
ETS   1896-?
EKT B ?-1968
OTW Round Red 1968-?
Camerton Branch
Limpley Stoke (North)
Note 6		 Dunkerton ETT D 1910-25 Note 7
Camerton ETT D 1925-27
TST   1927-31?
OES Square ?1931-51 Note 5
Dunkerton Dunkerton Colliery ETT   Note 7
Dunkerton Colliery Camerton ETT   Note 7
Camerton Hallatrow OES Square Red 1882-?
TST   ?1909-10
ETT   1910-32
Radstock Branch   (North Somerset line)
North Somerset Jcn Pensford TST Square Red by 1882-89
Contractor's Siding TST Round Blue 1889-92
Contractor's Siding Pensford TST Square Red 1889-92
Marsh Junction Pensford TST Square Red 1892-?
ETS   by 1898-?
EKT A ?-1964
Radstock West Note 30 OES Square Blue +'B' EKT key 1964-68 Note 40
Pensford Radstock (North) Note 30 TST Triangular Blue  
Hallatrow TST Round White ?1882-?
Clutton TST Round White ?1890-1911
ETS   ?-1911
ETT   Long section 1911-circa-1932
EKT D (Long section) circa-1932-1964
Pensford & Bromley Colliery Sidings ETS   Short section 1911-55
EKT B Short section 1955-60
Pensford & Bromley Colliery Sidings Clutton ETS   Short section 1911-55
EKT C Short section 1955-60
Clutton Hallatrow TST Square Green ?1890-?
ETS   ?-1955
EKT   1955-64
Hallatrow Radstock (North) Note 30 TST Triangular Blue ?1882-?
Old Mills ETS   Short section ?-1931
Radstock North Note 30 ETS   Long section ?-1931
EKT B circa-1932-64
Old Mills Radstock North Note 30 ETS   Short section ?-1931
Radstock North Note 30 Radstock South Note 30 Double Track until 1966 Note 14
Radstock South Note 30 Mells North Note 13 Double Track Until 1910
Mells Road 1910-66 Note 14
Mells North Note 13 Mells South Note 13 Double Track Until 1910
Mells South Note 13 Frome West TST Round White ?1875-97?
ETS   ?1897-1910
Mells Road Frome West ETS   1910-33 Note 12
Frome South EKT D 1933-63 Note 12
Frome North EKT D 1963-66 Note 14
Frome West Frome Middle Double Track ?1875-1933 Note 12
Yeovil Branch   (including Lyng line)
Yeovil Pen Mill (South) Note 51 Yeovil Town (East) Note 51 TST Round White ?-1893
ETS   1893-?
EKT A ?-1967 Note 46
Hendford Worked as Siding? 1965-67?
Yeovil Town East Note 51 Yeovil Town West Note 51 NS   ?-1916
Yeovil Town (West) Note 51 Note 52 Hendford TST Triangular Blue ?-1893
ETS   1893-1965
Worked as Siding? 1965-67?
Hendford Note 42 Martock TST Square Red ?-1893
ETS   1893-1964 (Long section)
Montacute Note 50 ETS   1893-? Short section
EKT C by 1923-64 Short section
Montacute Note 50 Martock ETS   1893-? Short section
EKT D by 1923-64 Short section
Martock Langport (West) TST Round White ?-1893
ETS   1893-?
EKT A ?-1964
Langport (West) Durston TST Square Blue ?-1893
Athelney Note 50 ETS   1893-1906
Curry Rivel Junction Double Track 1906-64
Curry Rivel Junction Athelney Double Track 1906 onwards Note 49
Athelney Note 50 Durston ETS   1906-64
Bridport Branch
Maiden Newton Bridport OES   1857-81 Note 47
TST Square Red 1881-84
West Bay TST Square Red 1884-93
Bridport ETS   1893-1965 Note 48
OES Round Red 1965-75
Bridport West Bay ETS   1893-1927 Note 48
OES Round Green 1927-62?
Abbotsbury Branch
Upwey Junction Abbotsbury OES Square Red 1885-1952
Upwey Goods OES   1952-61 Note 39
Portland Branch       Note 26
Weymouth Portland EKT   1957-65
Weymouth Junction Note 24 Portland OES   Until 1878
TST  Square Red 1878-1901
Rodwell ETS   1901-circa 1919
EKT A c.1919-54 Short section Note 25
Portland Goods Jcn EKT   1931-35 Long section Note 25
Portland EKT C? 1935-57 Long section Note 25
Rodwell  Note 27 Portland ETS   1901-1905
Portland Goods Jcn ETS   1905-16
Portland Siding     1916-19
Portland Goods Jcn     1919-by 1931
EKT   by 1931-35 Short section  Note 25
Portland EKT B 1935-54 Short section Note 25
Portland Siding Portland Goods Jcn     1916-19
Portland Goods Jcn Portland Station Double Track 1905-1935
Portland Easton OES   1900-02
Portland Temporary Siding   1902-05
Portland Temporary Easton ETS   1902-05
Portland Station ETS   1905-35
Portland EKT D 1935-55
OES  Round + EKT key 1955-65 Note 35
Lyng line - see Yeovil Branch
Chard Branch
Creech Junction Chard TST Round Red 1866-87/90
Ilminster TST Round Red 1887/90-circa 1908
Hatch  Note 43 TST Triangular Blue Short section circa 1908-12?
ETS   Short section 1912?-1956
Ilminster TST Round Red Long section circa 1908-12?
ETT A Long section 1912?-28? Picture
EKT D Long section 1928?-56
1956-64 Note 45
Hatch Ilminster TST Hexagonal Green Short section circa 1908-12?
ETS   Short section 1912?-56
Ilminster Chard (North)  Note 44 TST Square White 1887/90-1912?
ETS A 1912?-64 Note 45
Chard (North)  Note 44 Chard L&SWR signal-box     Until 1896
Chard South     1896-1916
Chard Junction (L&SWR)  see L&SWR Single-Line Sections
Chard South  Note 44 Chard Town (L&SWR) see L&SWR Single-Line Sections
Minehead Branch   Note 8
Silk Mill Crossing Note 11 Williton EKT D 1970-71
Norton Fitzwarren Junction Crowcombe OES   1862-74
Williton TST Square Red 1874-91
Crowcombe TST Square Red 1891-97
ETS   1897-1906
Bishops Lydeard ETS   1906-32
EKT D 1932-36
Double Track 1936-70 Note 11
Bishops Lydeard Crowcombe ETS   1906-34
EKT B 1934-67
Williton EKT D 1967-70
Crowcombe Watchet OES   1862-74
Williton TST Round Green 1891-97
ETS   1897-1933
EKT D 1933-67 Long section
Leigh Bridge EKT A 1933-64 Short section
Leigh Bridge Williton EKT B 1933-64 Short section
Williton Minehead TST Round Blue 1874-by 1884
Watchet TST Triangular White by 1884-97
ETS   1897-1926
Washford EKT C 1926-52 (Long section from 1933)
Kentsford EKT A 1933-64 (Short section until 1952) Note 10
Blue Anchor EKT A 1964-71
Watchet Minehead TST Round Blue by 1884-97
Washford ETS   1897-1926
Kentsford Washford EKT D 1933-52 Short section Note 10
Blue Anchor EKT D? 1952-64
Washford Dunster ETS   1897-1904
Blue Anchor ETS   1904-34
EKT A? 1934-52
Blue Anchor Dunster ETS   1904-26
Minehead EKT A 1926-34
Dunster EKT B 1934-71
Dunster Minehead ETS   1897-1926
Double Track 1934-66
Minehead (Main Line) Note 9 OES Square Blue + 'B' key 1966-71
Minehead (Bay Line) Note 9 OES Round Red + 'A' key 1966-71
Barnstaple Branch   Note 80
Norton Fitzwarren Junction Wiveliscombe TST   1871-81
Milverton TST Round # 1881-93 [#Red until end-1885 then Blue]
ETS   1893-1937 Note 84
Double Track 1937-66
Milverton Wiveliscombe TST Triangular White 1881-93
ETS   1893-1937
EKT C 1937-1966
Wiveliscombe Morebath TST Semi-circular Green ?1871-1893
Venn Cross ETS   1893-1937
EKT A 1937-1966
Venn Cross Morebath ETS   1893-1937
EKT D 1937-63
Morebath Junction EKT D 1963-64
Dulverton EKT D 1964-66
East Anstey EKT B July-Oct 1966
Morebath Dulverton TST Flat Blue ?1871-84 Note 85
Morebath Junction TST Oblong Blue 1884-93 Note 85
ETS   1893-1937
EKT B? 1937-63
Morebath Junction Dulverton TST Round White 1884-93
ETS   1893-1937
EKT A 1937-64
Dulverton East Anstey TST Triangular Drab 1871-93
ETS   1893-1928?
EKT B ?1928-July 1966 Note 86
East Anstey Bishops Nympton & Molland TST Square Yellow 1871-93
ETS   1893-1937
EKT C 1937-66 Note 87
Bishops Nympton & Molland South Molton TST Round White 1871-1893
ETS   1893-1937
EKT D 1937-1966 Note 87
South Molton Barnstaple TST Square Green 1871-1893
Filleigh ETS   1893-1937
EKT A 1937-64
Swimbridge EKT B 1964-66
Filleigh Swimbridge ETS   1893-1937
EKT B 1937-64
Swimbridge Barnstaple Note 82 ETS   1893-1937 Note 81
EKT   1937-60 Note 2
Barnstaple East Junction Note 82 ETS   1905-37 Note 1
EKT C 1937-60 Note 1
Barnstaple Junction 'A' (SR) EKT C 1960-66 Note 83
Barnstaple East Junction Note 82 Barnstaple Note 82 TST Red 1905-60 Note 1
Barnstaple South Junction Note 82 TST Round White 1905-60 Note 1
Barnstaple Note 82 Barnstaple Junction East (L&SWR) TST Oblong Blue 1887-? Note 81
Round Red ?-1960 Note 2
Barnstaple South Junction Note 82 TST Yellow 1905-60 Note 1
Siding 1960-66 Note 83
Barnstaple Junction 'A' (SR) Note 82
Siding 1966-70 Note 83
Barnstaple South Junction Note 82 Barnstaple Junction East (L&SWR) Note 82 TST Square Blue 1905-1960 Note 1
Exe Valley Branch
Morebath Junction Bampton TST Triangular Green 1884-1907
ETS   1907-57
EKT C 1957-63
Bampton Tiverton North TST Square Red 1884-1907
ETS   1907-12
Tiverton ETS   1912-53
EKT D 1953-63
Tiverton North Tiverton South Double Track 1884/5-1912
Tiverton South Cadeleigh TST Oblong Blue 1885-1907
ETS   1907-12
Tiverton ETS A 1912-56
EKT A? 1956-63
Cadeleigh Thorverton TST Round Yellow 1885-1907
ETS   1907-48?
EKT B 1948?-63
Thorverton Stoke Canon Junction TST Triangular White 1885-1907
ETS C 1907-? Note 15
EKT C ? Note 15
USC ?-1966 Note 15
Tiverton Branch
Tiverton Junction Tiverton North TST Round Blue 1884?-1912
Tiverton TST Round Blue 1912-32
EKT C 1932-65?
USC 1965?-67 Note 16
Hemyock Branch
Tiverton Junction Hemyock OES Square Green ?-1963 Note 36
Siding 1963 onwards Note 23
Teign Valley line
City Basin Junction Christow ETS   1903-16
Longdown ETS A 1916-58
Longdown Christow ETS B 1916-58
Christow Heathfield ETS   1903-11
Trusham ETS C 1911-58
Heathfield OES   1958-61
Teign House Heathfield OES Round Green 1882-1903 Note 17
Trusham Heathfield ETS   1911-43
EKT   1943-58
OES   1961-65 Note 18
Moretonhampstead Branch
Newton Abbot East Bovey TST Square Red 1889-92
Heathfield TST Square Red 1892-1901
ETS   1901-11
ETT   1911-26 Long section
ETS   1926-43
EKT D 1943-65
USC   1965 onwards
Newton Abbot Goods Yard ETS   1911-26 Short section
Newton Abbot Goods Yard Heathfield ETS   1911-26
Short section
Heathfield Bovey TST Note 19 1892-1901
ETS   1901-52
EKT   1952-59
Moretonhampstead OES   1959-65
Bovey OES   1965-66
USC   1966-70
Bovey Moretonhampstead TST Round Blue 1889-1892
Round Green 1892-1901
ETS   1901-45
EKT   1945-59
Kingswear line
Paignton South Churston     Until 1928
Goodrington Double Track 1928-72
Goodrington Churston EKT B ?1928-68
Kingswear OTW Round Red 1968-72
Churston Kingswear      
EKT A ?-1968
Brixham Branch
Churston Brixham OES   by 1884-99
ETS   1899-1923
EKT C 1923-58
OES Note 38 1958-63
Ashburton Branch
Totnes  Note 4 Buckfastleigh TST Square Red 1889-1956 Note 37
Ashburton OES   1956-62
Buckfastleigh Ashburton TST Round Blue 1889-1956
Kingsbridge Branch
Brent Gara Bridge ETS    1893-?
EKT   ?-1963
Gara Bridge Kingsbridge ETS   1893-?
EKT   ?-1963
Launceston Branch
Tavistock Junction Marsh Mills Double Track ?-1965 Note 55
Marsh Mills Bickleigh Note 62 TST Half-round Brown 1876-94?
ETS   ?1894-1956
EKT C 1956-62
Bickleigh Yelverton TST Oblong Blue 1876-94?
ETS   ?1894-1956
EKT B 1956-59
Horrabridge EKT B 1959-62
Yelverton Horrabridge TST Hexagonal White 1876-94?
ETS   ?1894-1959
Horrabridge Tavistock 'B' TST Triangular Green 1876-94?
Tavistock ETS   ?1894/5-1959? Note 59
EKT   by July 1959-62
Tavistock 'B' Tavistock 'A' Double Track 1876-94/5
Tavistock 'A' Mary Tavy TST Square Pink ?1876-94
Tavistock Lydford ETS   ?1894/5-1958?
EKT C ?1958-64 Note 56 Note 59
OES Note 60 1964
Mary Tavy Lydford TST Round Yellow ?1876-94
Lydford  Note 56 Coryton     Note 58
Lifton ETS B ?1894-1958?
EKT B ?1958-1962
Launceston OES Note 61 1964-66 Note 57
Coryton Lifton     Note 58
Lifton Launceston     Note 58
ETS   ?1894-1943
EKT A 1943-62
Princetown Branch
Yelverton Princetown TS&T Round Yellow 1883-94 Note 63
Dousland ETS Note 64 1894-1956 Note 63
Dousland Princetown ETS D 1894-1956 Note 63
Yealmpton Branch
Plymstock Brixton Road ETS   1898-1918
Yealmpton ETS   1918-31
OES Square Black 1931-41
EKT   1941-52
OES Square Black 1952-60
Brixton Road Yealmpton ETS   1898-1918
Royal Albert Bridge
Royal Albert Bridge Saltash     Until 1902
ETS   1902-?
ETT   ?1907-?
EKT A by 1919-61
Note 41 1961 onwards
Looe Branch
Liskeard Branch Coombe Junction ETT   1901-?
EKT   ?-1964
Liskeard (main line box) EKT B? 1964-81
NSKT B 1981 onwards
Coombe Junction Looe ETT   1901-?
EKT C ?-1964
OES Round Red + 'A' key 1964 onwards
Moorswater OES   1901-21
YARD   1921 onwards
Bodmin Branch
Bodmin Road Bodmin General ETS   ?-1950
EKT A 1950-67 Note 29
Siding 1967-?
Bodmin General Boscarne Junction ETS B ?-1964 Note 28
EKT B 1964-67 Note 29
Siding 1967-?
Fowey Branch
Lostwithiel Crossing Carne Point ETS   1923-1954
Fowey EKT B 1954-68
Carne Point NSKT?   post-1968?
Lostwithiel Branch Carne Point ETS?   1895-1923
Carne Point Fowey ETS   ?1895-1954
Fowey Par Bridge Crossing     Until 1907?
Pinnock Tunnel Note 76     ?1907-?
EKT A ?-1958
Par Bridge Crossing EKT D 1958-68
Pinnock Tunnel Note 76 Par Bridge Crossing     ?1907-?
EKT D ?-1958
Par Bridge Crossing St Blazey      
EKT C ?-1968
Newquay Branch
Par St Blazey Double Track  
St Blazey St Blazey Bridge Crossing EKT B  
Goonbarrow Junction EKT A From 1973
St Blazey Bridge Crossing Luxulyan ETS   Until 1914
EKT A 1914-64
Goonbarrow Junction EKT A 1964-73
Luxulyan Goonbarrow Junction EKT D ?-1964
Goonbarrow Junction Bugle     ?-1930
Double Track 1930-1964
Roche     1964-65
St Dennis Junction EKT C 1965-86
Newquay EKT   1986-87
NSKT?   1987-?
OTS    
Bugle Roche EKT C ?-1964
Roche St Dennis Junction     ?-1921
Tregoss EKT A 1921-65
Tregoss St Dennis Junction Double Track 1921-65
St Dennis Junction St Columb Road EKT D ?-1965
Newquay EKT D 1965-86
St Columb Road Tolcarn Junction EKT C ?-1964
Newquay EKT C 1964-65
Tolcarn Junction Newquay     ?-1946
Double Track 1946-64
Drinnick Mill line   (Cornwall Junction line)   Note 32   Note 33
Burngullow (West) Drinnick Mill TST   by 1883-1903/5
ETS   by 1905-1909
High Street ETS   1909-1917/18
OES   by 1918-21
New Carpella Siding OES   1921-22
Drinnick Mill ETS   1922-53
EKT A 1953-66
Parkandillack Siding 1966 onwards
Carpella Drinnick Mill     1909-10
Parkandillack     1910-12
Drinnick Mill     1914-?
Pilotman by 1919-22
Drinnick Mill Little Treviscoe TST   by 1883-1887/97
St Dennis Junction TST   by 1897-1903/5
ETS   by 1905-1910/11
Drinnick Mill ceased to be a block post during the period 1910/11-13
Kernick  ETS   1913-50
St Dennis Junction ETS   1950-61
EKT B 1961-65 Note 34
Parkandillack OES   1965-66 Note 34
Little Treviscoe St Dennis Junction TST   by 1883-1887/97
Kernick Parkandillack  ETS   1913-22
St Dennis Junction     1922-50
Parkandillack St Dennis Junction  ETS   1910-22
Perranporth Branch
Chacewater Note 31 St Agnes ETS C 1924-63
Blackwater Jcn East Blackwater Jcn North Double Track 1903-24 Note 31
Blackwater Jcn West Blackwater Jcn North Double Track 1903-19 Note 31
Blackwater Jcn North Perranporth ETS   1903-09
St Agnes ETS   1909-24 Note 22
St Agnes Perranporth ETS A 1909-63 Note 22
Perranporth Tolcarn Junction ETS   1903-05 Note 20
Shepherds ETS   1905-?
EKT C ?-1963
Shepherds Tolcarn Jcn ETS   1905-?
EKT D ?-1963 Note 21
Falmouth Branch
Penwithers Junction Perranwell ETS   Until post-1960?
EKT B ?post-1960-66
Penryn EKT C 1966-71 Note 69
Perranwell Penryn ETS   Until 1962
EKT C 1962-66
Penryn Falmouth ETS    
EKT D ?by 1960-1966
NSKT D? 1966-71 Note 69
Helston Branch
Gwinear Road West Helston OES Round Black 1887-? Note 53
ETS   by 1897-1907
Nancegollan ETS   1907-08
Nancegollan Crossing Note 54 ETS C 1908-37
Nancegollan ETS C 1937-64
Nancegollan Helston ETS   1907-08
Nancegollan Crossing Note 54 ETS D 1908-37
Nancegollan ETS D 1937-64
St Ives Branch
St Erth St Ives ETS?    
EKT A ?-1963/65?
OES Round Red ?1963/65 onwards
Notes:

1

 Summer section only.
2 Winter section only.
3 Not in use
4 Prior to 1933 the single-line section commenced at Ashburton Junction signal-box.
5 Staff was varnished wood (no trace of colour) with Annetts key (no configuration nib) in BR(WR) days - see picture. The line closed on 15-Feb-1951, but there was very occasional use for some while afterwards and it is not known if the staff remained in use during that time.
6 Limpley Stoke North SB reduced to GF in 1927 and block section control passed to former South box.
7 Dunkerton and Dunkerton Colliery SBs closed during the Great War and it is unclear if one or both re-opened afterwards for a short period, so the status of the sections is not known.
8 The branch opened from Watchet Junction (later renamed Norton Fitzwarren Junction) to Watchet in 1862 and was extended to Minehead in 1874.
9 Minehead SB closed 1966 and double-track to Dunster converted to two independent single lines.
10 'Switching-out' facility removed from Kentsford SB in 1952 upon closure of Washford SB.
11 In 1970 the line between Norton Fitzwarren Junction and Bishops Lydeard was singled, both SBs were closed and thereafter the junction for the branch was further east at Silk Mill Crossing.
12 In 1933 Frome Middle and South boxes were replaced by a single new South box, the West box was reduced to GF status and the line between West and South was singled. It is believed that the change from ETS to EKT may have taken place at the same time. In 1963 the line between West GF and South box was closed and all branch trains used the line from West GF to North box, with the EKT section being adjusted accordingly.
13 Mells North and Mells South boxes were renamed Mells Road North and Mells Road South respectively in 1898. Both were closed and replaced by a single new Mells Road box in 1910.
14 Line from Radstock to Mells Road closed in 1966 and Radstock South and Mells Road SBs closed. Line re-opened in 1968, Radstock North SB downgraded to GF status, and line from Radstock to Marsh Junction closed. For details of the line from Frome to Radstock after 1966 see the Current Lines Register entry for the Whately Quarry line.
15 One source suggests that ETS was replaced by EKT in 1954, but another source records the section as still ETS in 1961, and it is rumoured to have remained as ETS until closure of Thorverton signal-box in 1964. It was recorded as USC by June 1966.
16 USC by June 1966.
17 Supplemented by Block Telegraph 1882-1893, staff configuration details uncertain pre-1893.
18 In 1965 line cut back to Crockham Siding and worked OES initially, then (by June 1966) as 'Table C2' working by person-in-charge at Heathfield until final closure in 1968.
19 1894 Working Time Table says semi-circular blue staff, but 1898 WTT says hexagonal blue staff.
20 The Tolcarn Junction to Shepherds section of the line used part of the route of the earlier Treamble Branch, which subsequently diverged at Shepherds.
21 The Perranporth line closed 4-Feb-1963, but a short section from Tolcarn Jcn to Trevemper Siding remained in use until 28-Oct-1963.
22 St Agnes was probably upgraded to a block post in 1909, but certainly by 1914.
23 OES abolished 28-Oct-1963 and thereafter 'worked as siding', but wooden train staff remained in use until all the GFs on the branch had been abolished and their points converted to hand-levers. Section recorded as USC by June 1966, C2 by Sep 1969.
24 Named Portland Junction until 1899.
25 Short/Long section working after switching-out facilities added at Rodwell in 1931, until Rodwell closed in 1954.
26 References to 'Portland' signal-box pre-1905 are for the old station, those for 1935 onwards are for the new station.
27 When the first signal-box opened at Rodwell in 1892 it was an intermediate block post, but not a staff station.
28 Bodmin General was marked as Bodmin Town on the staffs.
29 Bodmin Road - Bodmin General converted to EKT on 28 Dec 1950. Bodmin General - Boscarne Junction converted to EKT 4 Nov 1964.
30 There appear to have been three signal-boxes at Radstock circa-1875 onwards, numbered '1', '2' and '3'. The location of No 3 is unclear and it appears to have been abolished by 1897. The remaining two boxes were renamed Radstock North and Radstock South in 1897. Radstock North was renamed Radstock West in BR days.
31 The Blackwater Junction West-to-North curve was closed in 1919. In 1924 Blackwater Junction East and North SBs were closed, the East-to-North curve reduced to single track, and the branch continued eastwards as an independent single line to Chacewater.
32 Details for this line are complicated by the break at Carpella during 1909-22. Some block posts existed at places without signal-boxes at some times. 'Best efforts' have been made to provide a comprehensive record, but only the post-1950 details are known with some certainty.
33 From 26 Aug 1912 onwards the block section south of St Dennis Junction started at St Dennis Junction GF.
34 By Apr 1965 St Dennis Junction GF to Parkandillack was closed temporarily until further notice and EKT working suspended.
35 Staff was round, metal with key-token end. Key had both 'A' and 'D' configuration notches (reason unknown).
36 There are two surviving examples of a metal Annetts key with 'T' handle labelled for the branch. It is not known if these were used as the train staff at any time or perhaps were emergency spares and/or GF release keys.
37 There was an intermediate block post at Staverton, but it was not a staff station.
38 Photographic evidence (surviving relic) shows a red, wooden staff (apparently octagonal) with a 'C' Annetts key at one end and a 'C' EKT key at the other end. 
39 The branch closed to all traffic beyond Upwey on 1-Dec-1952. Upwey Jcn was renamed Upwey & Broadwey, whilst Upwey became Upwey Goods. Although OES working was retained for the line to Upwey Goods, it is possible that it was downgraded to 'siding' status prior to final closure on 31-Dec-1961.
40 This staff was a rather crude item made from an old Hallatrow - Radstock West key token sandwiched between two pieces of wood - see picture.
41 Controlled by track-circuit, Interlocking Levers and interlocked BR(WR) double-line block instruments.
42 Records indicate that a 'switching out' lever was installed at Hendford in 1927/8 and removed circa-1950, but there is no evidence that any form of long/short section working was ever introduced for the Yeovil Town - Hendford - Montacute sections.
43 The intermediate SB at Thornfalcon (opened as Thorne 1892, renamed 1902, closed 1912) was not a staff post, so has not been listed. Hatch SB opened 1892, but did not become a staff post until circa-1908.
44 Chard SB opened 1892, renamed Chard North 1896, renamed Chard circa-1917/23, renamed Chard Central 1950. Chard South SB opened 1896 (replacing an earlier L&SWR box) and closed 1-Jan-1917. Chard Town SB was at the separate L&SWR station and closed 30-Dec-1916. Nothing is known about the working between the original GWR and L&SWR boxes at Chard Joint or the subsequent Chard North and Chard South boxes. See separate RailWest page on the Chard Branch for more details.
45 Passenger services ceased in 1962. It is believed that block working methods remained unchanged until Ilminster and Chard SBs closed in 1964.
46 Surviving examples are inscribed simply 'Yeovil - Yeovil Town' with no mention of 'Pen Mill'.
47 Listed in TNA file RAIL 937/11 as 'OES with Pilot Board' 1857 to June 1868, then 'OES with Train Staff' until March 1881.
48 ETS working was introduced by Nov 1893. The new SB and revised layout at Bridport was ready in mid-1894. It is assumed, but not certain, that the branch was divided into two ETS sections in 1893 rather than 1894.
49 In 1906 a section of the Yeovil Branch between new junctions at Curry Rivel and Althelney became part of the new double-track main line from Castle Cary to Cogload Junction and it remains in use currently.
50 Prior to the introduction of ETS working, the SBs at Athelney and Montacute were block posts but not staff posts.
51 The North and South SBs at Yeovil Pen Mill were replaced by a single SB in 1937. The East and West SBs at Yeovil Town were replaced by a single SB in 1916.
52 There were two parallel lines between Yeovil Town (West) and Hendford. One line was used as the main single line with block working, the other line was simply a non-block 'through siding'.
53 In 1887 there were non-block signal-boxes at Praze and Nancegollan. Board of Trade records list the branch as being worked by train staff with block telegraph from Dec 1889, so it is possible that one or both of those SBs became block (but not staff) posts at that time. ETS had arrived by Aug 1896 and those SBs were converted to GFs. Nancegollan became a staff post in 1907, but became a GF again in 1908 when Nancegollan Crossing was opened.
54 This was a separate location from Nancegollan station. Various records call it Nancegollan Loop or Nancegollan Crossing, but the signal-box nameboard read Nancegollan Crossing Place and the same wording appears on surviving ETS.
55 From 1965 onwards Marsh Mills was worked as a siding by a new line from the yard at Tavistock Junction.
56 Lydford was named Lidford until 1897 (so the old name was used on the ETS).
57 The line between Lifton and Launceston was closed on 31-Dec-1962 and reopened on 7-Sep-1964.
58 It is believed that the sections between Lydford and Launceston were worked by Block Telegraph only (no staff) until the introduction of ETS, whereupon Coryton ceased to be a block post.
59 The 'A' and 'B' SBs at Tavistock were replaced by a single SB circa-1895. It is possible therefore that this change did not occur until after the introduction of ETS.
60 One of the former Tavistock-Lydford EKT was used as the OES staff. Tavistock South SB was reduced to GF status on 15-June-1964 and all its signals taken out-of-use on 27-July-1964.
61 A Lydford-Lifton EKT was attached to the existing Lifton-Launceston OES staff to form the 'new' OES staff.
62 The intermediate SB at Lee Moor Crossing was never a block or staff post and therefore has not been listed.
63 It is unclear whether Dousland was a block (but not staff) post during the period of TS&T working. It is unclear also whether it became a staff post when the branch changed to ETS in 1894, although it was listed as such by 1907.
64 There is a record that the Yelverton-Dousland section was 'A' configuration, but the same record quotes the Dousland-Princetown section as configuration 'B' whereas a surviving ETS for that section is 'D' configuration, so the accuracy of that record can not be guaranteed.
65 In 1954 Portishead station and signal-box were replaced by a new station and signal-box on a new site closer to Portbury Shipyard.
66 From 1933 onwards Oak Wood, Pill and Portbury Shipyard signal-boxes all switched-out together for long section working with a single new ETS 'long section' from Clifton Bridge to Portishead only. It is believed (but not yet confirmed) that at the same time the existing Clifton Bridge - Pill and Pill - Portishead 'long sections' were abolished. The change of the new 'long section' from ETS to EKT in 1954 coincided with the opening of the new Portishead station and signal-box.
67 Netham Quarries signal-box (which existed between Clifton Bridge and Pill circa 1877-1922) was an intermediate block post during the period of TST working, but not a staff post.
68 Portbury signal-box (which existed between Pill and Portishead circa 1880-1896) was an intermediate block post during the period of TST working, but not a staff post.
69 For details of the branch after 1971 see the Current Lines Register entry for the Falmouth Branch.
70 Prior to 1896 there were signal-boxes at some of the intermediate stations between Yatton and Wells which were not staff posts, but which may have been intermediate block posts.
71 The entire line closed to passenger traffic in September 1963, and completely from Yatton to Cheddar (exclusive) in October 1964. The remaining line from Cheddar eastwards closed in sections from 1969 onwards until only the Cranmore - Witham section remained in use by 1975.
72 This box appears to have been called Wells Station (or Wells 'C') originally, but it was renamed Wells Tucker Street circa-1896, and then renamed Wells Station again in early BR days.
73 The OES staff was a key-token from one of the former EKT sections, equipped with a key to unlock the GFs at Draycott and Wookey.
74 In October 1963 Cheddar box was reduced to GF status and became just an intermediate location in the new Congresbury - Wells Station OES section. Wells Station box closed in April 1964, but the OES section remained unchanged until the line from Congresbury to Cheddar (exclusive) was closed in October 1964, after which the OES section became Cheddar - Wells East Somerset.
75 The line from Cheddar to Dulcote Siding (exclusive) was closed in April 1969; Dulcote Siding to Cranmore continued to be worked as a siding.
76 Pinnock Tunnel box closed temporarily from 1918 to Nov 1911 and again from Jan 1957 until permanent closure in Jan 1958. It is not known what happened to the block working arrangements during those periods.
77 Not in use
78 Not in use
79 Not in use
80 When the Devon & Somerset Railway opened in 1871 there were initially seven 'staff sections'. Some of the staff posts appear not to have had signal-boxes at that time, conversely some signal-boxes appear to have existed for some years before becoming staff posts. Consequently the precise arrangement of staff sections is unclear prior to an 1885 record.
81 After the opening of the East-to-South Loop in 1905 this section became 'winter only'.
82 The ex-L&SWR Barnstaple Junction East SB was renamed Barnstaple Junction 'A' on 2-October-1949. On 11-March-1950 the ex-GWR Barnstaple SB was renamed Barnstaple Victoria Road, Barnstaple East Junction was renamed Barnstaple East Loop and Barnstaple South Junction was renamed Barnstaple South Loop.
83 In 1960 the line from East Loop SB to Victoria Road was closed completely. South Loop SB was replaced by a GF (in the new EKT section from Swimbridge to Barnstaple Jcn 'A') and the line from there to Victoria Road became a siding. In 1966 the GF was abolished when the rest of the branch was closed and Barnstaple Jcn 'A' to Victoria Road became a siding.
84 There is an entry in a copy of a GWR Register of EKT instruments for an 'A' configuration instrument for the Norton Fitzwarren - Milverton section, but it is unclear if that was ever installed.
85 It is believed that 'flat' and 'oblong' were simply different descriptions for the same staff when the sections were altered in 1884.
86 This was the first section on the branch to be converted from ETS to EKT, much earlier than the rest of the line, and the change may have been driven by the need to provide an auxiliary instrument at the west end of Dulverton station.
87 Although a 'D' configuration token 'East Anstey - South Molton' has been sighted at auction, it is believed never to have been implemented as Bishop's Nympton & Molland signal-box remained in use until the line closed in 1966.

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