Atherton City Council
May 20, 2026

Reimagine Dumbarton
Dumbarton Busway Feasibility Study
Fall 2025
WHY REIMAGINE DUMBARTON?
SamTrans is reimagining the unused Dumbarton freight
railroad line|o0ubm]=-v|ķu;Ѵb-0Ѵ;ķŒ;uo;lbvvbom0†v service and improvements for people biking and walking
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including East Palo Alto, Belle Haven (Menlo Park),
Redwood City, Atherton, and North Fair Oaks.
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the Dumbarton Corridor to provide access to
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more local trips. The average daily travel between
Redwood City and East Palo Alto has increased by more
than 30% since 2019. Reimagine Dumbarton presents
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BACKGROUND
The Dumbarton Corridor extends between Redwood
City on the Peninsula and Union City in the East Bay
over the San Francisco Bay. Today, the rail bridge is in 7bvu;r-bu-m7|_;=u;b]_|u-bѴuo-7Ѵbm;bv†m7;u†ঞѴbŒ;7ĺ $_; †l0-u|omouub7ou_-v0;;mv|†7b;7l†ѴঞrѴ;ঞl;vķ lov|Ѵ‹=o1†v;7omu;]bom-Ѵ|u-mvrou|-ঞomvoѴ†ঞomvĺ
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0†vķr;7;v|ub-mķ-m70b1‹1Ѵ;1omm;1ঞomvbm|_;m;-uŊ|;ulķ and is focused on San Mateo County only, west of
University Avenue to Redwood City Transit Center.

STUDY AREA
0 0.5 1 0.25
Mile
North Fair Oaks
Friendly Acres
Belle
Haven
Bayfront Expy
Bay Rd
Marsh Rd
Main St
Bayshore Fwy
Woodside Rd El Camino Real
Middlefield Rd
5th Ave
2nd Ave
UniversityAve
Middlefield Rd
Willow Rd
Chilco St
Legend
Dumbarton Corridor
At-Grade Corridor Crossing
Caltrain Station
Connection to Transit Center*
*Alignment to be determined.

Grade Separated Corridor Crossing
Caltrain Alignment
Redwood
City Transit
Center
Menlo
Park
Caltrain
Redwood
City
Atherton
Menlo Park
East Palo
Alto
Palo Alto
101
84 84
82 114
109
Reimagine Dumbarton
Dumbarton Busway Feasibility Study
Fall 2025
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REIMAGINE DUMBARTON GOALS
• lruoˆ;1omm;1ঞomv0;|‰;;mm;b]_0ou_oo7v-Ѵom]
the corridor
• Add new pedestrian and bicycle crossings
• Enhance speed and regional bus and
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• Support environmental sustainability
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•
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GET INVOLVED
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We want to hear from you.
• Visit samtrans.com/dumbarton
•
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[email protected]
• Call SamTrans Customer Service
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•
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available. Para traducción llama al
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REIMAGINE DUMBARTON TIMELINE
2025
FALL
Collect data and
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2026
WINTER
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2026
SPRING
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concepts
2026
SUMMER
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7u-[-Ѳ|;um-ࢼˆ;v
2026
FALL
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2027
WINTER
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2027
SPRING
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and share next steps