The city of Las Vegas has started its biggest-ever public works project, a three-year effort to improve 2.5 miles of Las Vegas Boulevard north of the famous Strip.
The ultra-fast train would cut travel times between L.A. and Las Vegas in half, but a failed bond sale in the midst of a skeptical financial market has put the project on indefinite hold.
Elon Musk moves forward with a plan to expand his underground transportation system beyond the convention center area and into other Las Vegas corridors.
Arizona's infrastructure is badly in need of additional funding, but the state's overall grade of C exceeds the national grade, which ASCE says is a D+.