State Route 13

The first exit along northbound California 13 (Warren Freeway) is Exit 1, Carson Street and Redwood Road. From this interchange, Carson Street travels southwest before ending at Tompkins Avenue. To the east, Redwood Road travels east and uphill to Skyline Boulevard, then connects with Redwood Regional Park and Anthony Chabot Regional Park. A connection to southern Moraga in Contra Costa County is provided via northbound Pinehurst Road and Canyon Road.

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The freeway section of California 13 lies entirely within the city of Oakland, which is the eighth-largest city in California (2000 Census population: 399,484 people) and contains 78.2 square miles (including water). Oakland was founded in 1852, contains dozens of villages with distinct identities, and is growing in population.

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The first three exits along northbound California 13 are Exit 1, Carson Street/Redwood Road; Exit 2, Lincoln Avenue/Joaquin Miller Road; and Exit 3, Mountain Boulevard to Park Boulevard.

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Use Exit 1 to Holy Names University and Merritt College. A pedestrian bridge crosses over the freeway.

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Northbound California 13 (Warren Freeway) reaches Exit 1, Carson Street and Redwood Road. The next interchange is Exit 2, Lincoln Avenue and Joaquin Miller Road.

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This mileage sign provides the distance to the next three exits along northbound California 13: Exit 2, Lincoln Avenue/Joaquin Miller Road; Exit 3, Mountain Boulevard to Park Boulevard; and Exit 4, Moraga Avenue to the city of Piedmont.

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The next exit along northbound California 13 is Exit 2, Lincoln Avenue/Joaquin Miller Road. For most of its freeway segment, California 13 is four lanes, with two lanes in each direction. The road has a rural feel, with lush landscaping on both sides of the freeway.

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Northbound California 13 reaches Exit 2, Lincoln Avenue/Joaquin Miller Road. Note the odd exit sign, which is posted on the left side of the northbound lanes for a right hand exit. This sign is posted this way due to limited sight distance.

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After rounding the curve, the off-ramp from California 13 north to Exit 2, Lincoln Avenue/Joaquin Miller Road comes into view. Use Joaquin Miller Road east to Joaquin Miller Park, Woodminster Amphitheater, and Roberts Regional Recreation Area. To the west, Lincoln Avenue travels toward the Dimond neighborhood of the city of Oakland.

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This reassurance shield for California 13 north is posted after the on-ramp from Joaquin Miller Road. Continue north on California 13 (Warren Freeway) to California 24 and the University of California at Berkeley.

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The next exit along California 13 north is Exit 3, Mountain Boulevard/Park Boulevard to the Montclair District of the city of Oakland.

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Continuing north, this view shows California 13 descending into the Palo Seco Creek valley. The next off-ramp is visible in the distance.

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Northbound California 13 (Warren Freeway) reaches Exit 3, Lincoln Boulevard/Park Boulevard to Montclair.

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The next exit along California 13 north is Exit 4, Moraga Avenue west to the city of Piedmont and Thornhill Drive northeast to the Forest Park District of Oakland.

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Northbound California 13 (Warren Freeway) reaches Exit 4, Moraga Avenue west to the city of Piedmont and Thornhill Drive northeast to the Forest Park District of Oakland.

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The next exit along California 13 north is Exit 5A, Glenwood Glade to Broadway Terrace. Broadway Terrace travels west to the Rockridge District of Oakland and travels east to the Forest Park District of Oakland before ending at Skyline Boulevard in Sibley Volcanic Regional Preserve.

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Emerging from the trees, northbound California 13 approaches Exits 5B-C, California 24 west to downtown Oakland/San Francisco and east to Walnut Creek and Concord via the Caldecott Tunnel.

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The first ramp from northbound California 13 connects to Exit 5B, California 24 east to Walnut Creek. The left exit (second ramp) connects to California 24 west to downtown Oakland/San Francisco. This is a very tight interchange with limited sight distance and almost no deceleration lanes.

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Northbound California 13 reaches Exit 5C, California 24 west to downtown Oakland/San Francisco. From here, California 13 will downgrade from a freeway to a city street - but the state highway designation continues.

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The next intersection along northbound California 13 is with Claremont Drive, which travels east along the north side of California 24 and offers a connection to the westbound freeway (hence the control cities of Oakland and San Francisco). The freeway ends here.

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Northbound California 13 reaches Exit 5D, Claremont Drive. After this traffic signal, California 13 leaves Oakland and enters the city ofBerkeley. Home to 102,743 people as of the 2000 Census, Berkeley was incorporated in 1878 and contains 17.7 square miles (of which 10.5 square miles is land). Berkeley is home of the University of California-Berkeley campus, which is the flagship school of the University of California system and the oldest campus in that system.

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After the Warren Freeway ends, through traffic on California 13 north is defaulted onto Tunnel Road, which turns due west at the Domingo Road intersection. From here, California 13 follows Ashby Avenue west through Berkeley toward Interstate 80-580/Eastshore Freeway.

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Ashby Avenue is a two-lane city street with residences lining both sides. It does not feel like a state highway and certainly not like the freeway section of California 13.

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Prior to the College Avenue intersection, westbound California 13 (Ashby Avenue) makes a slight jog southwest at the Ashby Place intersection. At the College Avenue intersection, turn north to the University of California at Berkeley campus.

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Westbound California 13 (Ashby Avenue) meets Colby Street at this traffic signal near the Alta Bates Medical Center.

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Soon thereafter, California 13 (Ashby Avenue) west intersects Telegraph Avenue here. From here, California 13 will intersect Shatuck Avenue, Adeline Street, Martin Luther King Jr. Way, Sacramento Street, and California 123/San Pablo Avenue (Old U.S. 40).

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After the 7th Street intersection, westbound California 13 uses this subway to pass under the Union Pacific Railroad tracks.

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The final interchange along westbound California 13 is with Interstate 80-580/Eastshore Freeway. Use Interstate 80 east and Interstate 580 west to Vallejo and Sacramento. The second ramp connects to Interstate 80 west and Interstate 580 east to Oakland and San Francisco.

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After crossing over Interstate 80-580/Eastshore Freeway, the westbound lanes merge directly onto Interstate 80 west and Interstate 580 east.

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Departing the ramp from northbound Interstate 80-580/Eastshore Freeway onto eastbound California 13 (Ashby Avenue), the first exit is to Shellmound Street south to Emeryville.

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After the Shellmound Street exit, the ramp merges with the ramp from southbound Eastshore Freeway to form eastbound Ashby Avenue.

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This older bridge carries Shellmound Avenue and the Union Pacific Railroad tracks over California 13 (Ashby Avenue).

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The first traffic signal along eastbound California 13 (Ashby Avenue) is with 7th Street. A park and ride is located at the southwestern corner of this intersection.

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