Special Truck Restrictions
The list below is for special restrictions, e.g. for weight, number of axles, or carrying of hazardous materials. For routine length restrictions, see the "STAA" and "California Legal" length requirements on the web page: Truck Map Legend, and the "STAA" and "California Legal" access routes on the web page: Truck Network Map (click on the red numbers to open the regional maps).
Click on the underlined route numbers below for an overview and history of the special restriction.
CVC = California Vehicle Code
CCR = California Code of Regulations
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| 1 | LA | 40.77 | Topanga Canyon Blvd. | VEN | 10.23 | Las Posas Rd. | No through trucks with 4 or more axles. (Otherwise, route is California Legal.) |
| 1 | SB | 20.56 | N. Jct 246 via H St. in Lompoc | SB | 22.07 | Central Ave. in Lompoc | No trucks over 3 tons. (H Street) |
| 20 | LAK | 8.34 | Jct 29 | LAK | 31.62 | Jct 53 | No vehicles transporting hazardous materials / waste due to adjacent waters. (Otherwise, route is Terminal Access.) |
| 24 | ALA | 5.89 | Begin Caldecott Tunnel | CC | 0.35 | End Caldecott Tunnel | Transport of explosives, flammables, liquified petroleum gas or poisonous gas in a tank truck, trailer or semitrailer allowed only 3 am - 5 am. (Otherwise, route is National Network.) |
| 25 | SBT | 50.74 | Nash Rd. at San Benito St. in Hollister | SBT | 51.45 | Santa Ana Rd. in Hollister | No trucks over 3 tons. |
| 30 | SBD | 0.71 | Benson Ave. in Upland | SBD | 3.65 | Campus Ave. in Upland | |
| 75 | SD | 20.28 | Toll gates at Coronado Bay Bridge | SD | 22.26 | Jct 5 | No flammables / corrosives or explosives on Coronado Bay Bridge. (Otherwise, route is Terminal Access.) |
| 80 | SF | 4.92 | End of 8th / 5th St. Viaduct in San Francisco | ALA | 2.20 | 0.25 miles east of Bay Bridge toll plaza | No flammable tank vehicles or explosives allowed on SF-Oakland Bay Bridge. (Otherwise, route is National Network.) Per CCR Title 21, Section 1402.1. |
| 83 | SBD | 13.46 | Baseline Rd. / 16th St. in Upland | SBD | 14.19 | Jct 30 | No commercial trucks over 5 tons. (Euclid Ave.) (Otherwise, route is Advisory 30.) |
| 84 | ALA | 10.83 | Rte 238 / Mission Rd. | ALA | 17.99 | Rte 680 | Trucks restricted from transporting hazardous materials / waste due to adjacent drinking water source. (Otherwise, route is Advisory 32.) |
| 85 | SCL | 0.00 | Jct 101 | SCL | 18.45 | Rte 280 | No trucks over 9,000 pounds gross vehicle weight. ("Trucks" includes trucks with full trailer or semitrailer.) Road maintenance and emergency vehicles, buses, and RVs allowed. |
| 110 | LA | 23.73 | Jct 101 | LA | 31.91 | Glenarm St. in Pasadena | No commercial vehicles over 6,000 lbs gross vehicle weight, including buses unless authorized by the PUC. |
| 152 | SCR | 3.69 | Carlton Rd. near Watsonville | SCL | 5.03 | Watsonville Rd. near Gilroy | No trucks or combinations over 45 feet in length. |
| 154 | SB | 8.11 | Rte 246 | SB | 32.28 | Rte 101 in Santa Barbara | No hazardous materials / waste except pickup and delivery. (Otherwise, from R8.11 to R9.97 is Terminal Access, and from R 9.97 to 32.29 is California Legal.) |
| 170 | LA | 10.69 | Turning movement restriction. Trucks can't use the on-ramp from Rte 170 to northbound Rte 101. Trucks that want to go northbound on 101 from 170 must use a detour. From northbound 170, take a right on Odin St. Follow Odin to Cahuenga Blvd. Take a left on Cahuenga and follow it to the northbound 101 on-ramp. Guide signs are posted. | ||||
| 175 | MEN | 5.40 | 5.4 miles east of Rte 101 | LAK | 8.19 | N. Jct Rte 29 north of Kelseyville | No vehicles or combinations over 39 feet. |
| 183 | MON | 9.00 | Jct 156 | MON | 9.98 | Jct 1 | NORTHBOUND: Terminal Access. |
| 246 | SB | 8.30 | Lompoc City Limits | SB | 9.55 | W. Jct Rte 1 | No trucks over 3 tons. (Ocean Ave.) |
| 61 / 260 | ALA | 0.62 | Central Ave. in Alameda | ALA | 1.92 | Jct 880 | Trucks restricted from transporting hazardous materials / waste through Webster and Posey Tubes. (Otherwise, route is California Legal.) |
| 580 | ALA | 34.89 | Foothill Blvd. in San Leandro | ALA | 43.76 | Grand Ave. in Oakland | No trucks over 4.5 tons, except passenger buses and paratransit vehicles. |
DELIVERIES & PICKUPS
Section 35703 allows deliveries and pickups on roads restricted by weight per Section 35701: "No ordinance adopted pursuant to Section 35701 shall prohibit any commercial vehicles coming from an unrestricted street having ingress and egress by direct route to and from a restricted street when necessary for the purpose of making pickups or deliveries of goods, wares, and merchandise from or to any building or structure located on the restricted street or for the purpose of delivering materials to be used in the actual and bona fide repair, alteration, remodeling, or construction of any building or structure upon the restricted street for which a building permit has previously been obtained."
For more information on the delivery and pickup exemption, click on the California Vehicle Code Sections 35700 - 35722 and read Sections 35701, 35703, 35711, 35714, 35715 (Nevada County), 35715.1 (Tuolumne County), and 35720.
WHICH RESTRICTIONS WERE ADOPTED PURSUANT TO SECTION 35701?
Section 35701 first appeared in the California Vehicle Code in 1959. Section 35701 allows commercial vehicle restrictions on the basis of weight. However, other sections also allow for weight restrictions. At this time, until further research is completed, Caltrans makes no guarantee as to which of the special weight restrictions were adopted pursuant to Section 35701.
CONTACTS
Caltrans Legal Truck Size & Weight Work Group
Casey Robb
Manuel Fonseca
General number (916) 654-5741
E-mail: Truck Size & Weight Unit.
Return to the Caltrans "Truck Restriction Process" page.
Return to the Caltrans "Office of Truck Services" page.
Revised 12/22/08.