Fix101.org - A grass-roots organization formed to encourage repair and improvements to the US 101 Freeway through Santa Barbara and Ventura Counties in California. Site includes mission statement, involvement page, and an introduction by a local city council member.
The Hoover Dam Bypass Project - The official site for the proposed freeway replacing the existing US 93 over the dam in Arizona and Nevada.
I-19 Corridor Study - Plan to expand Interstate 19 in Pima County, Arizona, in the Tucson area. Site includes map, newsletters, and contact information.