SR-140 then turns southeast to meet SR-287 (known as Pony Express Road), which serves the Utah State Prison.

[6] Just beyond the end of the state route, Highland Drive passes under a disused railroad viaduct, previously used by the Union Pacific Railroad, that is proposed for use by phase 2 of the TRAX Blue Line's Draper extension.

[11] In 1984, the route was once again added to the state highway system, this time as SR-140 (and in the process co-opted 0.18 miles (0.29 km) from the south end of SR-287).

This was done in exchange for UDOT taking over the already-built segment of Porter Rockwell Boulevard as SR-131, with plans to build a bridge over the Jordan River to connect to SR-68 (Redwood Road).

[12] After an intersection with Spring View Parkway within a residential area, it bumped slightly northward to cross over the Union Pacific Railroad[13] and the FrontRunner commuter rail line.