California Highways


?Everything You Ever Wanted To Know AboutNumbered Highways in California*?
* But Were AfraidTo Ask

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California Highways Home Page
State Highway Routes
Numbered County Highways
State Highway Types
Interstate Types and History
Highway Numbering Conventions
State Highway Renumberings
State Highway Chronology
MapsTrails and RoadsRelated WWW LinksSite Change LogSources and Credits

Welcome to the California Highways Site. From this page, you can access avariety of information related to California highways and California highwayhistory that I have collected over the years. I welcome comments andcorrections to this information; you may reach me by sending Email to

This site should answer most of your questions. However, there still may bea few questions that aren't covered by the areas in the site. If you questionremains unanswered after reviewing the site, please check the Other Frequently Asked Questions, and if that doesn't work,please send me email at Anothergood source to getting questions answered is Caltrans itself (and you mustuse the Caltrans contact if the question relates to potential legal issues).

[Cahighwas .NE. Caltrans]Note: The California Highways Site isnot affilated with or sponsored by Caltrans, the California Departmentof Transportation, although I truely appreciate the support that Caltrans staffhave provided me in doing research, and the kind words they have sent meregarding the information on this site. If you have questions concerningoperation of the state highways, or that are of a legal or regulatory nature,please contact Caltrans directly at I'll be glad toanswer any question I can, but this is a hobbyist site. If you are looking forthe current status of a particular state route, try the Caltrans Highway Status page. TheCalifornia Highway Patrol also maintains aTraffic Incident Page. If you have amaintenance problem to report, use the Caltrans Maintenance ReportForm.



State Highway Routes: Old and New

State Highway Routes: Old andNew

These pages provide information on every state numbered route that wasever defined in California. This includes the route's currentdefinition, as well as historical information and all known names.

Other information about California State Highways:

Numbered County Highways

County Sign Routes

These pages provide information on the state's County Sign Routesystems. These are the routes on the blue pentagon signs with numberssuch as N4 or J7.

State Highway Types

State Highway Types

This page provides the definitions of the various state highway typesin California.
Interstate Types/History

Interstate Types andHistory

This page provides information on the different types of Interstatehighways, and gives a history in Interstate highway submissions by thestate of California.
Highway Numbering


This page explains how highways are numbered (and were numbered) inCalifornia. It includes information on Interstate, U.S., state, county,and forest routes, as well as exit numbering and post miles.
State Highway Renumberings

State HighwayRenumberings

This page provides a summary of how the numbers of state highways havechanged. It focuses on two primary areas: the "great renumbering" in1964 when the legislative route numbers were aligned with the signedroute numbers, and how the U.S. highway system has changed inCalifornia.
Chronology of Highway System

Highway SystemChronology

These pages provide a history of additions and changes to the stateroute system. They identify, year by year, when each portion of a routewas added or deleted to the state highway system.
Historical and Planning Maps

Historical and PlanningMaps

This page uses historical and planning maps to tell stories about thehistory and development of highways in California.
El Camino Real

Trails and Roads

This page provides information on some of the more significant namedroads in California, including:

Related WWW Links

Related WWW Links

This page provides links to other highway and highway related sites.This page also provides a link to my index of Current California Highway-RelatedLegislation that I find of interest, and to the recommended reading lists.
Recent Changes

Recent Changes

This page provides a summary of recent changes to the CaliforniaHighway pages.
Sources and Credits

Sources and Credits

I couldn't have done it without you. No, really! This page providescredit to all the good folks that have helped me develop these pages.You may also want to look at the recommendedreading lists.
[Other Information]

Other Information

Other Members of the California HighwaysFamily

Additionally, the following sites are part of the family.Although not maintained by the webmaster, they all dealspecifically with California and its highway system:

[AARoads] limited to just San Diego, Andy Field and the crew at AARoadshave expanded to cover all of California.
[Santa Clarita Resources] Ballard's "Historical Highways of Central and Southern California"pages. This includes information on US 6 and US 99, as well asinformation on unbuilt freeways, maps, East Los Angeles interchanges,and much, much more.
[] Cooper's "Historic US Highways of California". The historic UShighways of California have the same magic that Route 66 has, althoughmuch of theirs is still waiting to be rediscovered. This site is arepository of information about the 18 US highways that once traversedCalifornia.

[Your Humble Author]About theWebmaster
?1996-2018 Daniel P.Faigin.
Maintained by: Daniel P. Faigin
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