Pennsylvania Interstate 81
1970 specification highway marker.
Soundbound on-ramp at Exit 159 (Nuangola).
Photo by Alex Nitzman & Carter Buchanan, 9/18/2004.
1970 specification highway marker.
Soundbound on-ramp at Exit 159 (Nuangola).
Photo by Alex Nitzman & Carter Buchanan, 9/18/2004.