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Track charts are linear records of segments of the railroad. They are "to scale". Although the schematic is linear, at the bottom of the chart is a depiction of the degree of curvature of the line, as well as grades.
 
Signal charts are very similar, but show where signal heads are located and what aspects they are capable of showing.
Courtesy of Randy Williamson.
 
Courtesy of Randy Williamson.
 
Covers Northern Central Railway, Atglen & Susquehanna Branch, Philadelphia & Thorndale Branch, Trenton Branch, Cumberland Valley Branch (Harrisburg to Lemoyne), Lancaster to Royalton via Columbia, Lebanon Branch, East Lebanon Branch, North Lebanon Branch, Steelton Canal Branch, Rockville Branch, Quarryville Branch, New Holland Branch, Pomeroy Branch, Coatesville Branch, and West Chester Branch.
 
Covers Cumberland Valley Branch (Lemoyne to Winchester).
 
Covers Dillsburg Branch, Waynesboro Branch, South Penn Branch, S.P.Ry. & M. Co. (S.P. Jct. to Richmond), S.P.Ry. & M. Co. (Mercersburg Branch), S.P.Ry. & M. Co. (Wye Connecting Track), and Cumbo Connection.
 
 
Courtesy of Randy Williamson.
 
Courtesy of Randy Williamson.
 
 
Includes Shamokin Branch, Scott Branch, Green Ridge Branch, and the Lewistown Branch. Courtesy of Mike Hauk.
 
1962 Track Chart, Northern Region, Susquehanna District, Wilkes-Barre Branch, correct to Jan. 1, 1962Includes Wilkes-Barre Branch, Glen Lyon Branch, Catawissa Branch, West Nanticoke Branch, and the Wilkes-Barre Connecting R.R. Courtesy of Mike Hauk.
 

1964 Track Chart, Eastern Region, Harrisburg Division, Mainline and Branches, Correct to 1964 
Includes Banks to Green Tree, Northern Central Railway, York Branch & Penndel Co., Union Bridge Branch, Atglen & Susquehanna Branch, Columbia Branch, Lebanon Branch, East Lebanon Branch, North Lebanon Branch, Steelton Canal Branch, Rockville to Jct. Northern Region, Quarryville Branch, New Holland Branch, Cumberland Valley Branch, Cumbo Connection, Mercersburg Branch, Penndel Co., Waynesboro Branch, and Dillsburg Branch. Courtesy of David Wartell.

1968 Track Chart, Southwestern Division, I. & F. Branch 
Covers Dillsburg Branch, Waynesboro Branch, South Penn Branch, S.P.Ry. & M. Co. (S.P. Jct. to Richmond), S.P.Ry. & M. Co. (Mercersburg Branch), S.P.Ry. & M. Co. (Wye Connecting Track), and Cumbo Connection. Dated Jan. 1, 1968. Courtesy of Randy Williamson.