Scale approximately 1:73,000 (W 78°15ʹ26ʺ--W 77°40ʹ35ʺ/N 40°44ʹ37ʺ--N 40°03ʹ41ʺ).
Note:
Shows: state highways (old system and rural route system); township roads; U.S. and state highway traffic route numbers; state highway legislative route numbers; interstate system., Oriented with north to the left., and "Map No. II-31."