The San Antonio Water System is working on a project that will cause intermittent road closures in the vicinity of Walters Street at Commerce Street for a few weeks. When the closures are in effect, so are the following detours for route 515 Southcross.

From Walters at Commerce, right on Commerce
Left on Grimes Street
Left on Center Street
Right on Walters
Continue regular route

From Walters at Center, left on Center
Right on Grimes
Right on Commerce
Left on Walters
Continue regular route