California Interstate Map

Explore the California Interstate Highway map to see routes of all highways, California's interstate highways are crucial to its extensive transportation network, connecting major cities and facilitating commerce. Key routes include Interstate 5, stretching 797 miles from the Mexican border to Oregon, and Interstate 10, spanning 243 miles from Los Angeles to Arizona. Interstate 80 runs 205 miles from San Francisco to Nevada, while Interstate 15 covers 287 miles from San Diego to Nevada. These highways support millions of vehicles daily, enhancing mobility and economic activity across the state. California's interstate system is vital for travel, trade, and linking diverse regions within the state.

About California Interstate Map

This Interstate Highways map of California shows all the interstates highway routes in the state of California of the United States with major cities and state capital Sacramento.

California Interstate Highways

California's interstate highways form a vital transportation network that supports millions of travelers and facilitates economic activity across the state. The system comprises major routes like Interstate 5, Interstate 10, Interstate 15, and Interstate 80, each playing a critical role in connecting key regions and cities.

Interstate 5 (I-5)

Stretching 797 miles from the Mexican border in San Ysidro to the Oregon state line, I-5 is California's longest interstate. It traverses major cities such as San Diego, Los Angeles, and Sacramento, serving as a primary north-south route. This interstate is a crucial corridor for freight, linking agricultural hubs in the Central Valley with urban markets and ports.

Interstate 10 (I-10)

Running 243 miles from Santa Monica to the Arizona border, I-10 is a major east-west route. It connects Los Angeles with inland cities like San Bernardino and Palm Springs before crossing into Arizona. This highway is essential for commerce, facilitating the movement of goods between the Port of Los Angeles and destinations across the southwestern United States.

Interstate 15 (I-15)

Covering 287 miles from San Diego to the Nevada border, I-15 serves as a key route for both local and long-distance travel. It links the bustling city of San Diego with the Inland Empire region and the Las Vegas metropolitan area. I-15 is heavily used by tourists heading to and from the Las Vegas Strip, as well as by commercial vehicles transporting goods.

Interstate 80 (I-80)

Spanning 205 miles from San Francisco to the Nevada border, I-80 is a critical east-west route that connects the Bay Area with the Sierra Nevada and beyond. It passes through major cities such as Oakland and Sacramento, and provides a direct route to Reno, Nevada. This interstate is vital for both passenger travel and freight, serving as a gateway to the eastern United States.

Interstate 8 (I-8)

Running 171 miles from San Diego to the Arizona border, I-8 is another important east-west route. It connects the San Diego metropolitan area with the Imperial Valley and continues into Arizona, linking with I-10. This interstate supports agricultural commerce in the Imperial Valley and serves as a major route for cross-border trade.

Interstate 40 (I-40)

Although it only covers 155 miles within California, I-40 is a significant transcontinental route. Starting in Barstow, it extends eastward to the Arizona border, continuing across the country to North Carolina. I-40 facilitates long-distance travel and freight movement between the western and eastern United States.

Interstate 580 (I-580)

Serving as a key connector in the San Francisco Bay Area, I-580 runs 76 miles from Tracy to San Rafael. It links the Central Valley with the East Bay and North Bay regions, passing through cities such as Livermore, Dublin, and Oakland. This interstate is heavily used by commuters and freight traffic.

Interstate 405 (I-405)

Known as the San Diego Freeway, I-405 is a major north-south route in Southern California. It runs 72 miles from Irvine to the San Fernando Valley, bypassing downtown Los Angeles. I-405 is one of the busiest highways in the United States, serving as a critical route for commuters and freight.

Primary Interstate Highways

S.N.	Interstate Highway Number	Length in km	Length in mi	Removed in	Formed in	Northern or Eastern Terminus	Southern or Western Terminus
1	I-5	1,282	796	current	1947	I-5 at the Oregon state line	Mexican border in San Ysidro, San Diego
2	I-5E	-	-	1970	1957	I-5 near Dunnigan	I-5 near Tracy
3	I-5W	-	-	1970	1957	I-5 near Dunnigan	I-5 near Tracy
4	I-7	486	302	-	proposed	I-5 in Stockton	I-5 at Wheeler Ridge
5	I-8	277	172	current	1964	I-8 at the Arizona state line	Nimitz Boulevard, Sunset Cliffs Boulevard in San Diego
6	I-9	486	302	-	proposed	I-5 in Stockton	I-5 at Wheeler Ridge
7	I-10	392	243	current	1947	I-10 at the Arizona state line	SR 1 in Santa Monica
8	I-15	462	287	current	1957	I-15 at the Nevada state line	I-8 in San Diego
9	I-15E	-	-	1982	1973	I-15 in Devore, California	I-15 in Temecula
10	I-15W	-	-	1974	1972	I-15 in Devore, California	I-15 in Murrieta
11	I-40	249	155	current	1947	I-40 at the Arizona state line	I-15 in Barstow
12	I-80	330	205	current	1947	I-80 at the Nevada state line	US 101 in San Francisco

Auxiliary Interstate Highways

S.N.	Number	Length in km	Length in mi	Removed	Formed	Northern or Eastern Terminus	Southern or Western Terminus
1	I-105	30	19	current	1982	I-605 in Norwalk	SR 1 in El Segundo
2	I-105			1968	1964	US 101 in Los Angeles	I-5 in East Los Angeles
3	I-110	38	24	current	1978	I-10 in Los Angeles	SR 47 in San Pedro
4	I-110			1968	1964	US 101 in Los Angeles	I-10/I-5 in East Los Angeles
5	I-180			1991	1981	I-80 in Berkeley	US 101 in San Rafael
6	I-205	21	13	current	1970	I-5 near Manteca	I-580 near Tracy
7	I-210	72	45	current	1964	SR 57 in Glendora	I-5 in Los Angeles
8	I-215	89	55	current	1982	I-15 in San Bernardino	I-15 in Murrieta
9	I-238	3	2	current	1983	I-880 in San Leandro	I-580 in Castro Valley
10	I-280	93	58	current	1955	King and 5th Streets in San Francisco	US 101/I-680 in San Jose
11	I-305	9	6	current	1981	SR 99 in Sacramento	I-80 in West Sacramento
12	I-380	3	2	current	1964	US 101 in South San Francisco	I-280 in San Bruno
13	I-405	117	72	current	1964	I-5 near San Fernando	I-5 in Irvine
14	I-480			1968	1957	I-80 in San Francisco	US 101 in San Francisco
15	I-505	53	33	current	1977	I-5 near Dunnigan	I-80 in Vacaville
16	I-580	122	76	current	1947	I-5 near Tracy	US 101 in San Rafael
17	I-605	44	27	current	1964	I-210 in Irwindale	I-405/SR 22 in Seal Beach
18	I-680	114	71	current	1955	I-80 in Fairfield	US 101/I-280 in San Jose
19	I-710	39	24	current	1984	Valley Boulevard in Alhambra	SR 47 in Long Beach
20	I-780	11	7	current	1976	I-680 in Benicia	I-80 in Vallejo
21	I-805	45	28	current	1959	I-5 in Sorrento Valley, San Diego	I-5 in San Ysidro, San Diego
22	I-880	74	46	current	1984	I-80/I-580 in Oakland	I-280/SR 17 in San Jose
23	I-905	14	9		proposed	Mexican border near Otay Mesa	I-5 in San Diego
24	I-980	3	2	current	1981	I-580/SR 24 in Oakland	I-880 in Oakland

Business Routes

S.N.	Number	Length in km	Length in mi	Removed	Formed	Northern or Eastern Terminus	Southern or Western Terminus
1	I-5 BL	-	-	1990	c. 1960	I-5 in Chula Vista	I-5 in San Ysidro
2	I-5 BL	-	-	2005	-	I-5 in San Diego	I-5 in San Diego
3	I-5 BL	-	-	current	c. 1960	I-5 in Oceanside	I-5 in San Diego
4	I-5 BL	-	-	1980	c. 1970	I-5 in Granada Hills	I-5 in Glendale
5	I-5 BL	-	-	1980	c. 1970	I-5 in Woodland	I-5 in Woodland
6	I-5 BL	2	1	-	-	I-5 in Arbuckle	I-5 in Arbuckle
7	I-5 BL	-	-	-	-	I-5 in Maxwell	I-5 in Williams
8	I-5 BL	-	-	-	-	I-5 in Orland	I-5 in Willows
9	I-5 BL	7	4	-	-	I-5 in Red Bluff	I-5 in Red Bluff
10	I-5 BL	-	-	Former	-	I-5 in Cottonwood	I-5 in Cottonwood
11	I-5 BL	6	4	-	-	I-5 in Dunsmuir	I-5 in Dunsmuir
12	I-5 BL	6	4	-	-	I-5 in Mount Shasta	I-5 in Mount Shasta
13	I-5 BL	-	-	-	-	I-5 in Weed	I-5 in Weed
14	I-5 BL	-	-	-	-	I-5 in Yreka	I-5 in Yreka
15	I-8 BL	-	-	1995	c. 1970	I-8 in La Mesa	I-8 in San Diego
16	I-8 BL	13	8	-	-	I-8 in Lakeside	I-8 in El Cajon
17	I-8 BL	7	4	-	-	I-8 in Alpine	I-8 in Alpine
18	I-8 BL	7	4	-	-	I-8 in El Centro	I-8 in El Centro
19	I-8 BL	4	2	-	-	Bus.I-8 in Yuma, AZ	I-8 in Alpine
20	I-10 BL	13	8	Former	-	I-10 in Ontario	I-10 in Pomona
21	I-10 BL	-	-	Former	-	I-10 in Colton	I-10 in Fontana
22	I-10 BL	-	-	Former	-	I-10 in Coachella	I-10 in Colton
23	I-10 BL	13	8	-	-	I-10 in Blythe	I-10 in Blythe
24	I-15 BL	-	-	-	-	I-15 in Escondido	I-15 in Escondido
25	I-15 BL	-	-	-	-	I-15 in Lake Elsinore	I-15 in Lake Elsinore
26	I-15 BL	-	-	-	-	I-15 in Norco	I-15 in Norco
27	I-15 BL	-	-	-	-	I-15 in Victorville	I-15 in Victorville
28	I-15 BL	-	-	-	-	I-15 in Barstow	I-15 in Barstow
29	I-15 BL	6	4	-	-	I-15 in Baker	I-15 in Baker
30	I-40 BL	6	3	-	-	I-40 in Needles	I-40 in Needles
31	I-80 BL	22	14	current	c. 1980	I-80 in Sacramento	I-80 in West Sacramento
32	I-205 BL	-	-	-	-	I-5 in Lathrop	I-205 in Tracy