Major Highways
DRAFT O R E G O N Crescent City Major Highways Yreka Much of the present highway system duplicates ancient American Indian trails. However, their foot-friendly trade routes stayed close to water, and followed a straight line up one side Alturas 395 299 Redding 5 Susanville Red Bluff of a mountain pass and then down the other side. For the highways and motor vehicles that followed, some changes N E V A D A Eureka were necessary. For example, to protect them from floods and farm the rich soils, the two major highways in the Central Valley are located away from the Sacramento and San Joaquin Rivers. Likewise, roads across the Sierra Nevada often follow along ridge tops because the inner canyons below are too steep and narrow for cars. 101 Chico Interstate Highways in California are built and maintained by the federal government. They stretch across multiple states and always keep the same highway number. For example, 99 20 1 Interstate 80 runs 2,899 miles between San Francisco and New Jersey. The state government builds and maintains the Yuba City California State Highways. The state highway numbers often 80 change when the road extends into a neighboring state. Santa Rosa Odd numbers designate highways that run in a north and 50 Sacramento south direction. Even numbers designate highways that run 395 in an east and west direction. The highways in California carry some of the highest traffic volume in the world. Oakland San Francisco Stockton San Jose Modesto Merced Yosemite Santa Cruz Bishop Salinas 5 Fresno 1 101 395 N E V 99 A D A Ridgecrest San Luis Obispo Bakersfield 58 Barstow 15 Lancaster Santa Barbara Ventura 40 Pasadena Los Angeles San Bernardino Riverside Interstate 10 State Highway Oceanside 0 50 100 Escondido Miles San Diego 0 100 A R I Z O N A Palm Springs Santa Ana 200 Kilometers 8 El Centro California Geographic Alliance ©2010 The sources and credits for this map are listed at http://humboldt.edu/cga/atlas-sources-credits. Note that this map is an 11x14 page, and not meant for 8.5x11 printing or use. Ukiah 33
© Copyright 2024