HISTORICAL MAP ARCHIVE
Historical Maps of Southern California
Maps of all ages, focusing on Southern California, are posted here. Some older brochures will also be scanned and posted.
Featured Collections
Explore some of the major map and transportation-document collections available through SoCalRegion.com.
AUTOMOBILE CLUB MAPS
ACSC Road Maps
Automobile Club of Southern California maps and strip maps documenting historic highway travel throughout California.
STATE HIGHWAY MAPS
California Division of Highways
Historic California highway maps documenting state highway districts and the developing state highway system.
HISTORIC TRAVEL
Road & Transportation Brochures
Historic transportation brochures and travel publications showing routes, services, destinations, and changing travel patterns.
Browse Maps by Year
Explore historical highway maps, city maps, strip maps, brochures, and transportation documents arranged chronologically.
Early Automobile Era 1917–1929
Depression & Prewar Era 1930–1939
Postwar California 1940–1959
Freeway Era 1960–1965
Map Sources & Abbreviations
ACSC — Automobile Club of Southern California
Dates and identifying codes on historic maps and highway signs are not always obvious. The following reference provides information on historic California sign date codes, Caltrans district numbers, and county number codes.
California Sign Date Codes Guide
Reference guide to Automobile Club of Southern California and California Division of Highways sign date codes, including historic California date-code formats.
RESEARCH TOOLS
Mapping & Research Resources
Historic maps, aerial photography, topographic maps, GIS data, and other resources can help identify old highway alignments and document how Southern California has changed over time.
