![An old footpath, the devil's highway, or how engineering ended half a century of damnation - Ferrovial's blog An old footpath, the devil's highway, or how engineering ended half a century of damnation - Ferrovial's blog](https://static.ferrovial.com/wp-content/uploads/sites/3/2019/01/13145235/ruta-666.jpg)
An old footpath, the devil's highway, or how engineering ended half a century of damnation - Ferrovial's blog
![File:2020-08-22 15 18 29 View east along U.S. Route 30 (White Horse Pike) at Camden County Route 666 (Copley Road) in Barrington, Camden County, New Jersey.jpg - Wikimedia Commons File:2020-08-22 15 18 29 View east along U.S. Route 30 (White Horse Pike) at Camden County Route 666 (Copley Road) in Barrington, Camden County, New Jersey.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/3/34/2020-08-22_15_18_29_View_east_along_U.S._Route_30_%28White_Horse_Pike%29_at_Camden_County_Route_666_%28Copley_Road%29_in_Barrington%2C_Camden_County%2C_New_Jersey.jpg/640px-2020-08-22_15_18_29_View_east_along_U.S._Route_30_%28White_Horse_Pike%29_at_Camden_County_Route_666_%28Copley_Road%29_in_Barrington%2C_Camden_County%2C_New_Jersey.jpg)
File:2020-08-22 15 18 29 View east along U.S. Route 30 (White Horse Pike) at Camden County Route 666 (Copley Road) in Barrington, Camden County, New Jersey.jpg - Wikimedia Commons
![File:2019-08-06 10 34 34 View south along U.S. Route 15 and U.S. Route 29 (James Madison Highway) at the exit for Virginia State Route 666 (Culpeper) in Braggs Corner, Culpeper County, Virginia.jpg - Wikimedia Commons File:2019-08-06 10 34 34 View south along U.S. Route 15 and U.S. Route 29 (James Madison Highway) at the exit for Virginia State Route 666 (Culpeper) in Braggs Corner, Culpeper County, Virginia.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/d6/2019-08-06_10_34_34_View_south_along_U.S._Route_15_and_U.S._Route_29_%28James_Madison_Highway%29_at_the_exit_for_Virginia_State_Route_666_%28Culpeper%29_in_Braggs_Corner%2C_Culpeper_County%2C_Virginia.jpg)