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Title 10 — VEHICLES AND TRAFFIC\

Palo Alto Municipal Code Ch. 10.56 Special Speed Zones

Palo Alto Municipal Code · 2026-10 edition · updated 2026-10-19 · Palo Alto

Cite as: Palo Alto Municipal Code Chapter 10.56 · Text as of 2026-10-19

Sections:

* For state law requiring justification of local speed limits by engineering and traffic surveys for radar enforcement purposes - See C.V.C. § 40802(b); for state law authorizing the increase or decrease of local speed limits - See C.V.C. §§ 22357 and 22358; for state law regulating school zone speed - See C.V.C. § 22353(b)(2).

10.56.010 Twenty-five miles per hour prima facie speed limit justified.

It is determined that the state twenty-five miles per hour prima facie speed limit for business or residence districts is justified, as required by state law, with respect to the following streets or portions of streets by engineering and traffic surveys conducted by the city and completed on the dates shown below:

Road Segment Name Survey Completion Date
Alma St from El Camino Real to University Ave September 2023
Alma St from University Ave to Lincoln Ave April 2025
Amaranta Ave from Los Robles Ave to Maybell Ave November 2017
Arboretum Rd from Sand Hill Rd to Quarry Rd November 2017
Birch St from California Ave to Page Mill Exp April 2025
California Ave from Park Blvd to El Camino Real November 2017
California Ave from El Camino Real to Hanover St November 2017
Charleston Rd from Fabian Way to South City Limit September 2023
Charleston Rd from Middlefield Rd to Fabian Way September 2023
Charleston Rd from El Camino Real to Alma St September 2023
Channing Ave from W Bayshore Rd to Newell Rd November 2017
Channing Ave from Newell Rd to Guinda Ave November 2017
Channing Ave from Guinda Ave to Alma St November 2017
Charleston Rd from Alma St to Middlefield Rd September 2023
Churchill Ave from Embarcadero Rd to Alma St November 2017
Churchill Ave from Alma St to El Camino Real November 2017
Colorado Ave from W Bayshore Rd to Middlefield Rd November 2017
E Meadow Dr from W Bayshore Rd to Louis Rd November 2017
El Camino Way from Los Robles Ave to Maybell Ave September 2023
Embarcadero Rd from Embarcadero Rd to Highway 101 April 2025
Embarcadero Rd from Highway 101 to Middlefield Rd April 2025
Embarcadero Rd from Middlefield Rd to Alma St April 2025
Embarcadero Rd from El Camino Real to Alma St October 2023
Guinda Ave from Lytton Ave to Channing Ave November 2017
Hamilton Ave from Middlefield Rd to Alma St November 2017
High St from Lytton Ave to Channing Ave November 2017
Homer Ave from Guinda Ave to Alma St November 2017
Laguna Ave from Matadero Ave to Los Robles Ave November 2017
Lambert Ave from Park Blvd to El Camino Real November 2017
Loma Verde Ave from W Bayshore Rd to Middlefield Rd November 2017
Loma Verde Ave from Middlefield Rd to Alma St November 2017
Los Robles Ave from Laguna Ave to El Camino Real November 2017
Louis Rd from Embarcadero Rd to Oregon Exp November 2017
Louis Rd from Oregon Exp to Loma Verde Rd September 2023
Louis Rd from Loma Verde Rd to Charleston Rd September 2023
Lytton Ave from Alma St to Middlefield Rd November 2017
Matadero Ave from El Camino Real to Laguna Ave November 2017
Middlefield Rd from University Ave to Embarcadero Rd September 2023
Middlefield Rd from University Ave to Northern City Limits September 2023
Middlefield Rd from Embarcadero Rd to Oregon Exp November 2017
Middlefield Rd from Oregon Exp to E Charleston Rd April 2025
Middlefield Rd. from E Charleston Rd to South City Limits April 2025
Newell Rd from East City Limit to Channing Ave November 2017
Newell Rd from Channing Ave to Embarcadero Rd November 2017
N California Ave from Embarcadero Rd to Middlefield Rd September 2023
N California Ave from Middlefield Rd to Alma St November 2017
Park Blvd from California Ave to Lambert Ave September 2023
Peter Coutts Rd from Stanford Ave to Page Mill Rd November 2017
Porter Dr from Hillview Ave to Page Mill Rd September 2023
Quarry Rd from El Camino Real to Campus Dr October 2023
Stanford Ave from El Camino Real to Peter Coutts Rd November 2017
Stanford Ave from Peter Coutts Rd to Junipero Serra Blvd November 2017
University Ave from East City Limits to Middlefield Rd April 2025
University Ave from Middlefield Rd to Alma St November 2017
Waverley St from Lytton Ave to Channing Ave November 2017
Waverley St from Channing Ave to Embarcadero Rd November 2017
W Meadow Dr from Alma St to El Camino Way November 2017

(Ord. 5683 § 2, 2026: Ord. 5668 § 2, 2025: Ord. 5421 § 2, 2017: Ord. 4298 § 1, 1995: Ord. 4206 § 1, 1994: Ord. 3991 § 1, 1990: Ord. 3857 § 1, 1989: Ord. 3645 § 1, 1985: Ord. 3483 § 1, 1983: Ord. 3238 § 1, 1980: Ord. 3085 Exhibit A (part), 1978: Ord. 2891 § 1, 1975: Ord. 2740 § 1 (part), 1973: Ord. 2541, 1970: Ord. 2375, 1967: Ord. 2340 (part), 1967: Ord. 2331, 1967: Ord. 2225, 1965: Ord. 2192, 1964: Ord. 2191, 1964: Ord. 2188, 1964: Ord. 2008, 1961: Ord. 1994, 1961: Ord. 1714 (part), 1956: prior code § 19.152)

Exceptions & meaning →

10.56.015 Thirty miles per hour prima facie speed limit.

It is determined and justified upon the basis of engineering and traffic surveys that a speed greater than the twenty-five miles per hour prima facie speed limit set forth in Section 22352 of the Vehicle Code of the state, would facilitate the orderly movement of vehicular traffic and would be reasonable and safe under the conditions found to exist upon the streets, or portions thereof, set forth in this section, and it is hereby declared that thirty miles per hour shall be the prima facie speed limit upon these streets, or portions thereof, except for school zones, as shown below:

Road Segment Name Survey Completion Date
Coyote Hill Rd from Page Mill Rd to Hillview Ave April 2025
Fabian Way from Charleston Rd to W Bayshore Rd September 2023
Hansen Way from El Camino Real to Page Mill Exp September 2023
Hanover St from Page Mill Rd to Hillview Ave September 2023
Hillview Ave from Hanover St to Foothill Exp September 2023
Sand Hill Rd from El Camino Real to Arboretum November 2017
W Bayshore Rd from Oregon Exp to Colorado Ave November 2017

(Ord. 5683 § 3, 2026: Ord. 5668 § 3, 2025: Ord. 5421 § 3, 2017: Ord. 4298 § 2, 1995: Ord. 3991 § 2, 1990: Ord. 3645 § 2, 1985: Ord. 3238 § 2, 1980)

Exceptions & meaning →

10.56.020 Thirty-five miles per hour prima facie speed limit.

It is determined and justified upon the basis of engineering and traffic surveys that a speed greater than the twenty-five miles per hour prima facie speed limit set forth in Section 22352 of the Vehicle Code of the state, would facilitate the orderly movement of vehicular traffic and would be reasonable and safe under the conditions found to exist upon the streets, or portions thereof, set forth in this section, and it is hereby declared that thirty-five miles per hour shall be the prima facie speed limit upon these streets, or portions thereof, except for school zones, as shown below:

Road Segment Name Survey Completion Date
Alma St from Lincoln Ave to Oregon Expy November 2017
Alma St from Oregon Exp to E Meadow Dr November 2017
Alma St from E Meadow Dr to South City Limit November 2017
Arastradero Rd from Purissima Rd to Deer Creek Rd November 2017
Arastradero Rd from Deer Creek Rd to Foothill Exp November 2017
Deer Creek Rd from western city limits to Arastradero Rd September 2023
Hillview Ave from Foothill Exp to Arastradero Rd November 2017
Oregon Exp from Middlefield Rd to Highway 101 June 2014
Oregon Exp from Middlefield Rd to Alma St November 2017
Page Mill Rd from El Camino Real to Hanover St June 2014
Page Mill Rd from Hanover St to Foothill Exp June 2014
Sand Hill Rd from Arboretum to West City limit November 2017
San Antonio Rd from Alma St Overpass to Middlefield Rd September 2023
San Antonio Rd from Middlefield Rd to Charleston Rd September 2023
San Antonio Rd from Charleston Rd to East City Limit June 2014
W Bayshore Rd from Oregon Exp to Loma Verde Ave November 2017
W Bayshore Rd from Loma Verde to Fabian Way September 2023

(Ord. 5668 § 4, 2025: Ord. 5421 § 4, 2017: Ord. 4298 § 3, 1995: Ord. 4206 § 2, 1994: Ord. 3991 § 3, 1990: Ord. 3857 § 2, 1989: Ord. 3645 § 3, 1985: Ord. 3483 § 2, 1983: Ord. 3085 Exhibit A (part), 1978: Ord. 2740 § 1 (part), 1973)

Exceptions & meaning →

10.56.025 Forty miles per hour prima facie speed limit.

It is determined and justified upon the basis of engineering and traffic surveys that a speed greater than the twenty-five miles per hour prima facie speed limit set forth in Section 22352 of the Vehicle Code of the state, would facilitate the orderly movement of vehicular traffic and would be reasonable and safe under the conditions found to exist upon the streets, or portions thereof, set forth in this section, and it is hereby declared that forty miles per hour shall be the prima facie speed limit upon these streets, or portions thereof, except for school zones, as shown below:

Road Segment Name Survey Completion Date
E Bayshore from Embarcadero Road Bicycle and Pedestrian Overcrossing to Adobe Creek November 2017

(Ord. 5668 § 5, 2025: Ord. 5421 § 5, 2017: Ord. 4298 § 4, 1995: Ord. 3991 § 4, 1990: Ord. 3645 § 4, 1985)

Exceptions & meaning →

10.56.030 Forty-five miles per hour prima facie speed limit.

It is determined and justified upon the basis of engineering and traffic surveys that a speed greater than the twenty-five miles per hour prima facie speed limit set forth in Section 22352 of the Vehicle Code of the state, would facilitate the orderly movement of vehicular traffic and would be reasonable and safe under the conditions found to exist upon the streets, or portions thereof, set forth in this section, and it is hereby declared that forty-five miles per hour shall be the prima facie speed limit upon these streets, or portions thereof, except for school zones, as shown below:

Road Segment Name Survey Completion Date
Foothill Expressway from Page Mill Rd to South City Limit November 2017

(Ord. 5421 § 6, 2017: Ord. 4298 § 5, 1995: Ord. 4206 § 3, 1994: Ord. 3991 § 5, 1990: Ord. 3857 § 3, 1989: Ord. 3645 § 5, 1985: Ord. 3483 § 3, 1983: Ord. 3085 Exhibit A (part), 1978: Ord. 2891 § 2, 1975: Ord. 2740 § 1 (part), 1973)

Exceptions & meaning →

10.56.035 Twenty miles per hour school zones speed limit.

It is determined and justified pursuant to California Vehicle Code Section 22358.4(b)(1) that twenty miles per hour shall be the prima facie speed limit on the road segments shown below at a distance within 500 feet from or of the school grounds while children are going to or leaving the school, either during school hours or during the noon recess period.

School name Road Segment Name
1 Addison Elementary School Middlefield Rd
Webster St
Addison Ave
Lincoln Ave
2 Palo Alto High School Churchill Ave
Embarcadero Rd
3 Walter Hays Elementary School Embarcadero Rd
Middlefield Rd
4 Duveneck Elementary School Channing Ave
Alester Ave
5 Jordan Middle School California Ave
Middlefield Rd
6 Ohlone Elementary School Amarillo Ave
7 El Carmelo Elementary School El Carmelo Ave
Loma Verde Ave
Bryant St
Ramona St
8 Palo Verde Elementary School Louis Rd
Rorke Way
9 Fairmeadow Elementary School East Meadow Dr
10 JLS Middle School East Meadow Dr
11 Herbert Elementary School Charleston Rd
12 Barron Park Elementary School Barron Ave
13 Juana Briones Elementary School Maybell Dr
Gerogia Ave
Orme St
14 Terman Elementary School Terman Ave
Arastradero Rd
15 Gunn High School Arastradero Rd
16 Escondido Elementary School Stanford Ave
17 Discovery Children’s House Montessori School University Ave
18 Castilleja School Kellogg Ave Bryant St Emerson St
19 St. Elizabeth Seton School Channing Ave Harriet St
20 Stratford School Louis Rd Middlefield Rd N California Ave
21 Keys School Sutter Ave
22 Bowman School Donald Dr
23 Cornerstone Manuela Ave
24 Esther B Clark/Sand Hill Clark Way
25 International School of the Peninsula- Cowper Campus Cowper St
26 Keys School - El Camino Campus El Camino Way
27 Living Wisdom College Ave
28 Tru School Middlefield Rd Fulton St Melville Ave

(Ord. 5428 § 2, 2018: Ord. 5421 § 7, 2017)

Exceptions & meaning →

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