Montana is considered to have broad authority to use design-build for public procurement of public projects.
2007 legislation:
HB 334 (pdf)
The bill makes build-design highway program permanent .
A BILL FOR AN ACT ENTITLED: "AN ACT REMOVING THE TIME RESTRICTIONS ON THE DESIGN-BUILD HIGHWAY CONTRACT PROCESS FOR HIGHWAY CONSTRUCTION PROJECTS; AMENDING SECTIONS 18-8-204, 18-8-205, 60-2-111, 60-2-112, 60-2-134, AND 60-2-137, MCA; REPEALING SECTIONS 60-2-135 AND 60-2-136, MCA; AND PROVIDING AN EFFECTIVE DATE."
Introduced : 01/16/2007
HB 334 was signed into law on 3/27/2007.