- Goulding Creek Road Improvements - Roundup MTBig Timber Pioneer reported in late 1935 that among eight WPA projects then being undertaken in Musselshell County were (unidentified) improvements to Goulding Creek Road.
- Highway 87 - Billings to Roundup MT"Practically every two-lane highway in Eastern Montana was built with the help of WPA funds, said Jon Axline, a historian with Montana's Department of Transportation. ... Other examples include Highway 87, from Billings to Roundup, and the old Frontage Road, south of the interstate between Billings and Laurel."