101
280
84 82
Selby
Spanish
Immersion
School
Sacred Heart
Laurel
Elementary
School
Encinal
Elementary
Menlo-Atherton
High School
Las
Lomitas
Elementary
School
Menlo
College
Cartan
Field
Menlo
School
Atherton
Town
Center
Menlo
Circus
Club
FAIR OAKS LN
St. Patrick's Seminary
and University
Wherry Academy
Everest Public
High School
Saint Pius
Elementary
School
Trinity Episcopal
Elementary School
Nativity
Elementary School
Hoover
Elementary
School
Taft
Elementary
School
Fair Oaks
Elementary
School
Garfield Charter
Elementary School
Saint Raymond
Elementary
School
Oak Knoll
Elementary
School
Phillips Brooks
Elementary School
Hillview
Middle
School
Summit Preparatory
Charter High School
La Entrada
Middle
School
Peninsula
School
Holbrook-Palmer
Park
SELBY LN
MIDDLEFIELD
R
D
ATHERTON AVE
ALAM
E
DA
DE LAS PULGA
S
EL CAMINO REAL
SELBY LN
VALLEY CT
S T OCKBRIDGE AVE
POLHEMUS AVE
FLETCHERDR
WALSH RD
ISABELLA AVE
EUCLID AVE
OAK GROVE AVE
ED
G
E
RD
EMILIE AVE
BURNS AVE
LINDA VISTA AVE
GLENWOOD AVE
ENCINAL AVE
PARK LN
ALEJANDRA AVE
J A MES AV
E
HAWT
HORN
E
DR
MARSH RD
ELENA AVE
RINGWOOD AVE
CAM AL LAGO
CATALPA
D
R
ALMENDRAL AVE
TUSCALOOSA AVE
BAY
RD
VALPARAISO AVE
GREENOAKS
DR
ATHERTON ACTIVE TRANSPORTATION PLAN
Data provided by the City of Atherton, San Mateo County, and MTC. Document: N:\Shared\PROJECTS\2025\2025.011 Atherton, CA Bike Ped Master Plan Update\GIS\Process\25_011_Atherton ATP_Basemap.aprx. Date saved: 2/9/2026. 0 0.5 1 MILES
Recommended Bike Network
FEATURES
Caltrain Station
Railroad
School
Destinations
Park
Water Body
Town Boundary
RECOMMENDED/EXISTING BIKE FACILITIES
Shared-Use Path (Class I)
Bike Lane (Class II)
Buffered Bike Lane (Class IIB)
Bike Route (Class III)*
Separated Bikeway (Class IV)
Peninsula Bikeway (Interim Route)
Requires Cross-Agency Coordination **
* Wherever feasible, installation of pavement markings, traffic calming features, and wayfinding should be considered.
** Final configuration and improvements along El Camino Real are currently being evaluated through separate Complete Streets Studies in coordination with the SMCTA, Caltrans, and other agency partners.
Attachment 2
101
280
84 82
Selby
Spanish
Immersion
School
Sacred Heart
Laurel
Elementary
School
Encinal
Elementary
Menlo-Atherton
High School
Las
Lomitas
Elementary
School
Menlo
College
Cartan
Field
Menlo
School
Atherton
Town
Center
Menlo
Circus
Club
FAIR OAKS LN
St. Patrick's Seminary
and University
Wherry Academy
Everest Public
High School
Saint Pius
Elementary
School
Trinity Episcopal
Elementary School
Nativity Elementary
School
Hoover
Elementary
School
Taft
Elementary
School
Fair Oaks
Elementary
School
Elementary School
Saint Raymond
Elementary
School
Oak Knoll
Elementary
School
Phillips Brooks
Elementary School
Hillview
Middle
School
Summit Preparatory
Charter High School
La Entrada
Middle
School
Peninsula
School
Holbrook-Palmer
Park
VALLEY CT
ATHERTON AVE
STOCKBRIDGE AVE
FLE
POLHEMUS AVE TCHERDR
WALSH RD
ISABELLA AVE
EUCLID AVE
OAK GROVE AVE
EDGE R D
BURNS AVE
LINDA VISTA AVE
GLENWOOD AVE
ALEJANDRA AVE
J A M ES AVE
HAWTHORNE DR
RINGWOOD AVE
CAM AL LAGO
CATALPA DR
ALMENDRAL AVE
TUSCALOOSA AVE
BAY RD
GREENOAKS DR
MARSH RD
MIDDLEFIELDRD
ALAMED
A
DE LAS PULGAS
EL CAMINO REAL
ENCINAL AVE
ELENA AVE
EMILIE AVE
PARK LN
VALPARAISO AVE
SELBY LN
Data provided by the City of Atherton, San Mateo County, and MTC. Document: N:\Shared\PROJECTS\2025\2025.011 Atherton, CA Bike Ped Master Plan Update\GIS\Process\25_011_Atherton ATP_Basemap.aprx. Date saved: 1/30/2026. 0 0.5 1 MILES
FEATURES
Caltrain Station
Railroad
School
Destinations
Park
Water Body
Town Boundary
RECOMMENDED/EXISTING FACILITIES
Walkway on 1-side
Walkway on 2-sides
Shared-Use Path
Sidewalk on 1-side
Requires Cross-Agency
Coordination*
ATHERTON ACTIVE TRANSPORTATION PLAN
Recommended Pedestrian Network
evaluated through separate Complete Streets Studies in coordination with the SMCTA, Caltrans, and other agency partners.
Attachment 2
101
280
84 82
Selby
Spanish
Immersion
School
Sacred Heart
Laurel
Elementary
School
Encinal
Elementary
Menlo-Atherton
High School
Las
Lomitas
Elementary
School
Menlo
College
Cartan
Field
Menlo
School
Atherton
Town
Center
Menlo
Circus
Club
FAIR OAKS LN
St. Patrick's Seminary
and University
Wherry Academy
Everest Public
High School
Saint Pius
Elementary
School
Nativity
Elementary School
Hoover
Elementary
School
Taft
Elementary
School
Fair Oaks
Elementary
School
Garfield Charter
Elementary School
Saint Raymond
Elementary
School
Summit Preparatory
Charter High School
Peninsula
School
Woodside
High School
Holbrook-Palmer
Park
ATHERTON AVE
SELBY LN
MIDDLEFIELD RD
A
LAMED
A
DE
LAS PU
LGAS
EL
CAM NO R I EAL
SELBY LN
VALLEY CT
STOCKBRIDGE AVE
FLE POLHEMUS AVE TCHERDR
WALSH RD
ALTA
VISTA
DR
I SABELLA AVE
MAGNOLI
A
DR
EUCLID AVE
OAK GROVE AVE
EDG
E
R D
EMILIE AVE
BURNS AVE
LINDA VISTA AVE
GLENWOOD AVE
ENCINAL AVE
PARK LN
ALEJANDRA AVE
JAM
ES AV
E
HAWT
HORN
E
DR
MARSH RD
ELENA AVE
RINGWOOD AVE
CAM AL LAGO
CATALPA
D
R
ALMENDRAL AVE
TUSCALOOSA AVE
BAY
RD
VALPARAISO AVE
GREENOAKS
DR
21 20
14 8
16 4
2 9
19 11
10 3
1 25
18 6 7
5 23
24 13
12 17
15 22
26 27
28 Data provided by the City of Atherton, San Mateo County, and MTC. Document: N:\Shared\PROJECTS\2025\2025.011 Atherton, CA Bike Ped Master Plan Update\GIS\Process\25_011_Atherton ATP_Basemap.aprx. Date saved: 1/30/2026. 0 0.5 1 MILES
FEATURES
Caltrain Station
Railroad
Destinations
Park
Water Body
Town Boundary
RECOMMENDED IMPROVEMENT*
Group A - Crossing and Accessibility
Improvements
Group B - Roadway Improvements
Group C - Traffic Control Improvements
Requires Cross-Agency Coordination
ATHERTON ACTIVE TRANSPORTATION PLAN
Recommended Intersection Improvements
*When a recommended improvement typology is applied (group A, B, and/or C), one or more of the following improvements could be considered at the intersection:
Group A: Advanced Stop/Yield Bar, In-Street Crossing Sign, High-Visibility Crosswalk, Visibility Improvements, Raised Crosswalk/Speed Table, Improved Lighting, Improved Rail Crossing.
Group B: Pedestrian Refuge Island, Curb Extensions, Road Diet (per mile), Curb Ramps.
Group C: Signal Timing Changes (LPI, longer ped phase), Rectangular Rapid Flashing Beacon (RRFB), Pedestrian Hybrid Beacon (PHB), also called a High-Intensity Activated Crosswalk Beacon (HAWK); Traffic circle, New Signal, 4-way Stop. ** Final configuration and improvements along El Camino Real are currently being evaluated through separate Complete Streets Studies in coordination with the SMCTA, Caltrans, and other agency partners.
Attachment 2
1 Map_ID Cross_St_A
ID # Cross_St_B Recommended
Improvement Typology Specfic Recommendation
Requires Agency
Coordination Agency
1 Alameda de las Pulgas 1 Stockbridge Ave A, B A: High-visibility crosswalk B: Curb ramps Yes County 2 Atherton Ave
2 Alameda de las Pulgas
A, B, C
A: High-visibility crosswalks
B: Curb rampsC: Traffic circle None Atherton
3 Alameda de las Pulgas
3 Cam Al Lago
A, B, C
A: High-visibility crosswalk
B: Curb rampsC: New signal Yes County
4 Atherton Ave 4 Selby Ln A, B A: High-visibility crosswalk B: Curb ramps None Atherton5 Park Ln 5 Elena Ave A, B A: High-visibility crosswalk B: Curb ramps None Atherton6 Valparaiso Ave 6 Elena Ave
A, B, C
A: Advanced yield barB: Curb rampsC: RRFB Yes Menlo Park 7 Valparaiso Ave
7 Emilie Ave
A, B, C
A: Advanced yield bar, high-visibility crosswalk
B: Curb rampsC: RRFB Yes Menlo Park
8 Valparaiso Ave 8 Hoover St A, B A: Advanced yield bar, high-visibility crosswalk B: Pedestrian refuge island Yes Menlo Park9 El Camino Real 9 Valparaiso Ave A, B A: High-visibility crosswalk, advanced stop bar B: Curb ramps, pedestrian refuge island Yes Caltrans, Menlo Park 10 El Camino Real 10 Encinal Ave A, B A: Advanced stop bar, high-visibility crosswalk (east side) B: Curb ramps, pedestrian refuge island Yes Caltrans, Menlo Park 11 El Camino Real 11 Alejandra Ave A, B A: High-visibility crosswalk (west side of intersection) B: Curb ramps Yes Caltrans, Menlo Park12 El Camino Real 12 Watkins Ave
A, B, C
A: High-visibility crosswalk
B: Curb rampsC: New signal Yes Caltrans, Menlo Park
13 Watkins Ave 13 Dinkelspiel Station Ln A, B A: High-visibility crosswalk B: Curb ramps None Atherton14 El Camino Real 14 Isabella Ave A, B A: High-visibility crosswalk (move to west side of intersection) B: Curb ramps, pedestrian refuge island Yes Caltrans15 El Camino Real 15 Fair Oaks Lane A, B A: High-visibility crosswalk B: Curb ramps Yes Caltrans16 El Camino Real 16 Atherton Ave A, B A: Advanced stop bar, high-Visibility Crosswalk B: Curb ramps, pedestrian refuge island Yes Caltrans17 El Camino Real 17 Tuscaloosa Ave
A, B, C
A: High-visibility crosswalk
B: Curb rampC: PHB Yes Caltrans
18 El Camino Real 18 Almendral Ave A, B A: High-visibility crosswalk (west side) B: Curb ramps, pedestrian refuge island (west side) Yes Caltrans19 El Camino Real 19 Stockbridge Ave
A, B, C
A: High-visibility crosswalks
B: Curb rampC: PHB Yes Caltrans
20 El Camino Real 20 Fifth Ave A, B A: Advanced stop bar, high-visibility crosswalk B: Pedestrian refuge island, curb ramps Yes Caltrans21 El Camino Real 21 Selby Ln
A, B, C
A: Improved lighting, high-visibility crosswalks, advanced stop barB: Pedestrian refuge islandC: New traffic signal or PHB Yes Caltrans 22 Fair Oaks Ln 22 Middlefield Rd C C: None Atherton23 Middlefield Rd 23 Holbrook Ln A, B A: High-visibility crosswalk B: Curb ramps None Atherton 24 Middlefield Rd
24 Watkins Ave
A, B, C
A: Improved lighting
B: Curb ramps, curb extensionsC: RRFB None Atherton
25 Middlefield Rd
25 Ravenswood Ave
A, C
Remove the channelized right-turn, install
right-turn signal phase, install a crosswalk with cross-bike markings on thenorth Middlefield Rd leg, install a bike signal, and construct a “jughandle” bicycle left-turn on the east side of Middlefield Rd to facilitate bicycle left-turns onto Ravenswood Ave. Yes Menlo Park
26 Prior Ln 26 Middlefield Rd A, B Continue bike lane to Prior Ln with a protected corner using a vertical curb or delineator. Bike conflict markings through the intersection. None Atherton27 Middlefield Rd 27 Encinal Ave A, B Continue bike lane buffer to intersection. Reduce turning radii. Protected intersection/corner to reduce conflicts with turing vehicles. None Atherton28 Middlefied Rd 28 Glenwood Ave A, B Protected intersection/corner to create more separation between all road users at the southwest corner. None Atherton Intersection Recommendations (Clean - March 16 2026).xls Attachment 2