XY Challenge

[74/171FAN]

August 4: Post signage indicating a concurrency between two routes, both of which have a number containing a 4 in the tens place.

PA 346 and PA 646 in Derrick City.

PA 346 EAST AND PA 646 SOUTH CONCURRENCY by Mark Moore, on Flickr

[Jim]

August 4: Post signage indicating a concurrency between two routes, both of which have a number containing a 4 in the tens place.

New York 46 and New York 49 in Rome.  May 15, 2013.



Connecticut 41 and US 44 in Salisbury.  April 11, 2008.



US 41 and Florida 44 in Inverness.  February 20, 2023.