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.
Superstition Freeway Gives the history of the recent freeway upgrade of US 60 in central Arizona.
Clark County Public Works Contains official information about the new and proposed I-215 beltway around Las Vegas, Nevada.