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This part of the layout is centered around the yard at Martinsburg.  The "tower" at Martinsburg is unique on the Chessie East End, as it is the only one story tower on the line.  It is a very small building that controlled all the turnouts in the local area.  It's call letters were "NA".

This was a normal stopping point for Amtrak's Capitol Limited as well as a minor storage yard for Chessie.  There were two enormous roundhouses at Martinsburg.  One unfortunately burned down in 1990.  But, during the Chessie era they would have been located on the backdrop area.  They are way too big to model so I use the backdrop photo to represent them.  The railroad built bridge pieces at Martinsburg in the pre-Chessie era, but I am not sure if they were still doing that in 1982, the year I model.

The sidings on the far side of passenger station are primarily used for storing cars bound for the Frog Hollow Industrial Track and the cement industry on it.  They were also used for storing Maintenance of Way cars.  During the Chessie Era the connection at Cherry Run (Miller Tower area) with the old Western Maryland (WM) main line became increasingly important.  The facilities at Martinsburg saw a decrease in traffic as east bound coal trains left the East End at Cherry Run for the powerplants of the northeast.  Martinsburg was well past its prime in 1982.

There are two big operational elements in Martinsburg.  First is the Conrail interchange.  This track is where Conrail and Chessie exchanged cars on the East End.  Conrail was the government subsidized company that took over several northeast railroads including Penn Central, New York Central, Reading, Lehigh Valley, and others.  The Conrail interchange is seen here with very dark ballast.  The second element is the Frog Hollow Industrial Track.  This track generated covered hopper loads. 

The last noteworthy part of my model of Martinsburg is the Continental Brick plant.  It is represented as a flat building on the backdrop.  It generates loads of bricks in boxcars.

Below is the prototype map of Martinsburg.

Below is the graph paper plan I made to model the same area.  Don't mind that the words are upside down.  The tracks are oriented the same as the map above.  Since there are tracks on both sides of the main lines, it is a little confusing arrangement.  Starting in the upper left is the Conrail Interchange Track.  

Below is the Martinsburg control panel.  It shows the tracks I modeled.

Below is the west end of the Martinsburg section of the layout.  The two mains come in from the left.  The Contrail Interchange Track is along the backdrop with the dark ballast.  The Fines Track, serving Consumers Fuel (the track with the WM hopper on it).  Consumers Fuel is just a cardboard mock up at this point, the finished model is shown below. 
 

Below is A&E Alignment.  It's not rail served but is prominent in the Consumers Fuel and Freight Station parking lot.
  

Below is the main part of the yard, looking back to the west.  The passenger station will be where the red XCTO knife is, the baggage shed that sits next to it, is in place.  All of the cars in the parking lot are for the passenger station.  The blue C&O U23B and blue WM GP9 are on No. 1 Main.  The blue B&O caboose with three boxcars is on the Eastbound Siding.  Half off the frame, the blue B&O GP30 is on the Pay Track, which I use as a programming track for my DCC system.  It is electrically isolated from the rest of the layout with plastic rail joiners.

Below is the east end of Martinsburg.  The Chessie locomotive is on the Eastbound Siding, waiting to come out on the mains.  The two mains are with the light ballast.  The track along the backdrop, with the darker ballast, is the Westbound Siding.  The track crossing the road on the lower left is the Frog Hollow Industrial Track.  The foundation for the Fruit Exchange building is installed, but I haven't made the rest of the building yet.

Below is my flat rendition of Continental Brick.  The real Continental Brick is on the other side of the tracks, but I positioned it in the corner here to add some operating interest.  I scratchbuilt the loading platform, so it has some depth.

I added a few blown up photos of the real roundhouse buildings and added them to the backdrop.  The right roundhouse burned down in the 90's, so I just replicated the left roundhouse for the photo and added a roof that resembles the original.  They were different in real life.  The passenger station is not in place at this time.  It will site right in front of the red caboose.

Below is the East Burke Street underpass.  The blue house was a well known landmark in this part of the yard, as were the two billboards, which still stand today.  The blue house has been resided with tan siding.
 

Below is the North Queen Street underpass.  Consumers Fuel, the Freight Station and A&E Alignment are up the hill on the road on the left side of the photo.
 

Below is a collection of power at Martinsburg.  The three on the left are on the House Track awaiting their next assignment, likely as helpers.  The three in the back are on the Westbound Siding.  The three sided stone wall in the hill is an odd feature of the area.  I don't know why it is there.  Perhaps that was where the signal was originally.

Below is a view of the yard and passenger station.  The baggage shed is the small white building close to the camera.  Blocked by the passenger station is NA tower and the Fruit Exchange.  The second photo is the other side of the passenger station.  The parking lot always was full in Chessie Era photos.  Also the phone booth and newspaper stand were prominent in 1982 photos. 
    

Below is the only industry that uses coal on my layout.  The Consumers Fuel Company is on the Hines track at the west end of town.  It was active until the early 90's.  The trestle part was being torn down in 2022.
  

Below is my kitbashed Freight Station.  It sits next to A&E Alignment and Consumers Fuel.  It was closed in 1982, so I just have it as scenery.  Note the boarded up windows.