Mid-county expressway (I-476) : final environmental impact/section 4 (f) statement /

[St. Davids, Pa. : PennDOT, 1978

Draft environmental impact statement and section 4 (f) statement : Mid-County Expressway LR-1010, I-476 from I-95 to I-76 Delaware & Montgomery Counties /

[Washington : U.S. Dept. of Transportation, Federal Highway Administration, Region III], 1976

Mid-County Expressway (I-476) Pennsylvania Legislative Route 1010 from the Delaware Expressway (I-95) to the Schuylkill Expressway (I-76) : administrative action, final environment...

[Washington] : The Administration, 1980