US highway endpoints, photos, maps, and historyMap of US highway 40 and family, with US 34 and US 48 [I]
US 34 is represented by the purple line from Granby CO to Chicago IL; historic routings are shown in red.
US 40 is the purple line beginning in Atlantic City NJ. Its western terminus is currently near Park City UT; the red line west of there to San Francisco is the historic extent of US 40. Through Kansas and eastern Colorado, US 40 now follows what was once designated US 40-S; historic US 40-N is shown in red.
US 140 (historic) is the red line from Gettysburg PA to Baltimore MD.
US 240 (historic) is the red line from Harrisburg PA to Washington DC.
US 340 is the blue line from Frederick MD to Greenville VA.
US 48 [I] (historic) is also shown on this map (the red line from San Jose to French Camp CA).
