What is a commercial vehicle prohibition?
Section 21101 of the California Vehicle Code allows local authorities, for those highways under their jurisdiction, to adopt rules and regulations by ordinance or resolution to prohibit the use of particular highways by certain vehicles.

Section 35701 of the California Vehicle Code authorizes cities to pass ordinances prohibiting the use of a street by any commercial vehicle or by any vehicle exceeding a maximum gross weight limit. The ordinance shall not be effective until appropriate signs are erected.

Section 35703 of the California Vehicle Code states that no ordinance adopted pursuant to Section 35701 shall prohibit any commercial vehicles from using a restricted street when necessary, for the purpose of making pickups or deliveries.

Commercial vehicle prohibitions around the City of Santa Rosa are designed to eliminate pass through commercial vehicle traffic. These prohibitions are not meant to prohibit commercial vehicles from making deliveries to private residences or businesses on the streets where the prohibition exists.

There are several exemptions to the commercial vehicle prohibitions, which include:
- Emergency vehicles
- Vehicles used in transporting passengers such as buses
- Vehicles used in conjunction with building construction or delivery
- Vehicles used for local pick-up or delivery
- Vehicles used by local businesses to gain access to and from the business

Commercial vehicle prohibitions can only be installed after analysis by the Traffic Engineering Division showing a need for the prohibition and approval of an ordinance by City Council. If you have questions, requests, or suggestions regarding commercial vehicle prohibitions, please contact traffic engineering at 707-543-3814.

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1. How are speed limits established and how can I reduce or increase the speed limit on a particular street?
2. Can the City install "Children at Play" or "SLOW" signs on my street?
3. Can the City install a deer crossing sign at a particular location?
4. Can I get red curb painted in front of the fire hydrant by my house?
5. Can the City paint red curb so I can see getting out of a driveway, street or parking lot?
6. How can I get a stop sign installed on a neighborhood street to slow speeders down?
7. What is a commercial vehicle prohibition?
8. How can I get a radar speed feedback sign on my street?
9. How long can a car stay parked on the street?
10. How does a signal operate? Is a specific signal operating correctly?
11. How does a signal operate? Is a specific signal operating correctly?
12. Why do I have to stop? Why are signals so poorly synchronized?
13. Why do I have to wait so long after I stop at a specific signal?
14. Why isn’t there enough green time to get the traffic through the signal for a specific movement?
15. How do I get a new signal installed?
16. How do I find how much traffic there is at a specific location, or how many accidents there have been?
17. How do I find how a signal was operating at a specific time and date, and if it was operating correctly?
18. How does a pedestrian signal work?