Links to the respective pages in all U.S. states' department of transportation websites.
Regional planning organization for roads and transit in the San Francisco Bay Area, California.
Contains information about planned road work in the metropolitan area in Florida.
Construction information for interstates in the Tampa Bay, Florida, area, especially I-275.
Chronicles projects under construction in 2005 in the area of Raleigh, North Carolina, U.S.
Includes traffic counts and the 2020 transportation plan for this location in Florida.
Contains official information about the new and proposed I-215 beltway around Las Vegas, Nevada.