THE BROAD WAY A Pennsylvania Railroad Home Page
PRR INTERLOCKING DIAGRAMS PHILADELPHIA  TO  WASHINGTON MAIN  LINE

(Amtrak maps of this area available on Ken Reinert's Perry to Penn and Avenue to Perry pages.

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Main Line -- Philadelphia to Washington

ARSENAL, Philadelphia, Pa. (??K, 200 dpi)

Connection northward (RR-west) to High Line, to ZOO and New York and Harrisburg main lines. Connection eastward to Gray's Ferry Branch. Connection westward to West Chester Branch.

BRILL, Philadelphia, Pa., M.P> ?

Ref. 2, Sheet 4, 1969; 14372x1033, 152K, 200dpi

BRILL, part 1 (7399x1033, 75, 200 dpi)

BRILL, part 2 (7399x1033, 83K, 200 dpi)

Universal interlocking. Note the varying designations of the tracks.

Map issues: "McEttvan" above 54th St. -- spelling?
At upper right, "Correct as of" is written over other text, such as when approach locking was installed and so forth. Those dates are hard to read.

BALDWIN, Eddystone, Pa. (??K, 200 dpi)

LAMOKIN, Chester, Pa. (??K, 200 dpi)

HOOK, Markus Hook, Pa. (??K, 200 dpi)

BELL, ?Claymont, Del. (??K, 200 dpi)

Connection southward to freight line, Edge Moor Yard, BRIDGE tower.

WILMINGTON, Wilmington, Del. (??K, 200 dpi)

RAGAN, ?, Del. (??K, 200 dpi)

? End of freight bypass of Wilmington.

DAVIS, ?, Del. (??K, 200 dpi)

Connection southeastward to Delmarva Secondary.

EDGEWOOD, Edgewood, Md. (??K, 200 dpi)

PERRY, Perryville, Md. (??K, 200 dpi)

Connection northwestward (RR-west) to Port Road Branch [former Columbia & Port Deposit].

BAY, Baltimore (Bay View), Md. (??K, 200 dpi)

UNION JCT., Baltimore, Md. (??K, 200 dpi)

B&P JCT., Baltimore, Md. (??K, 200 dpi)

Connection northward to Northern Central Branch.

GWYNN, Baltimore (Gwynneth? Falls), Md. (??K, 200 dpi)

GROVE, ?, Md. (??K, 200 dpi)

ODENTON, Odenton, Md. (??K, 200 dpi)

Track to the U.S. Army base at Ft. Meade branched off. Interlocking is now gone, its functions essentially replaced by present-day GROVE interlocking. GROVE's "tower" was quite literally a house trailer.

BOWIE, Bowie, Md. (??K, 200 dpi)

Connection southward to Pope's Creek Secondary.

LANDOVER, Landover, Md. (??K, 200 dpi)

Connection southward to [freight] main line to Washington D.C., RO, Richmond, Fredericksburg & Potomac RR, and "Pot"omac Yard.

Washington Union Terminal Co.

WYE BRIDGE, Washington, D.C. (??K, 200 dpi)

Coach Yard, Washington, D.C. (??K, 200 dpi)

C, Washington, D.C. (??K, 200 dpi)

1979 version, Washington, D.C. (??K, 200 dpi)

K, Washington, D.C. (49K, 200 dpi) (preliminary)

The interlocking controlling WUT platform trackage and environs. Presently (1997) remains as an active interlocking tower.

A, Washington, D.C. (??K, 200 dpi)

1979 version, Washington, D.C. (??K, 200 dpi)

Main Line -- Landover to RO

This is the freight bypass that cuts off the passenger main at LANDOVER, just north of Washington, D.C., and passes south, then west, through Washington, through the Virginia Avenue Tunnel, to the Long Bridge across the Potomac River into Virginia and the ex-RF&P former Potomac Yard.

ANACOSTIA, Washington (Virginia Ave.), D.C. (??K, 200 dpi)

Site of a movable bridge. Just east of here, a B&O branch joined into the PRR line. Between here and VIRGINIA is the Virginia Avenue Tunnel.

VIRGINIA, Washington (Virginia Ave.), D.C. (??K, 200 dpi)

Junction of the double-track line that passes underground, just to the east of the Capitol building, to the through tracks of Union Station.

Connection northward to passenger train tunnel to Union Station, Washington D.C., and ultimately passenger main line to LANDOVER tower (vide supra).

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