California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original(XLS file) on September 5, 2015. Retrieved June 30, 2015.
"Article 2 of Chapter 2 of Division 1". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
Federal Highway Administration (March 25, 2015). National Highway System: Los Angeles, CA(PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved October 13, 2017.
Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
newportcoastdrive.com
http://www.newportcoastdrive.comArchived 2017-01-06 at the Wayback Machine Exhibit 30. page 4. "On October 17, 1988, the County and city members of the TCA amended the Joint Powers Agreement to exercise power authorized by the legislature to impose and collect tolls on the Corridor"
octa.net
"405 Express Lanes". Orange County Transportation Authority. August 10, 2022.
"The Toll Roads Rate Card"(PDF). Transportation Corridor Agencies. July 1, 2022. Retrieved August 13, 2022.
web.archive.org
California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original(XLS file) on September 5, 2015. Retrieved June 30, 2015.
http://www.newportcoastdrive.comArchived 2017-01-06 at the Wayback Machine Exhibit 30. page 4. "On October 17, 1988, the County and city members of the TCA amended the Joint Powers Agreement to exercise power authorized by the legislature to impose and collect tolls on the Corridor"