California State Route 114

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State Route 114

Willow Road
SR 114 highlighted in red
Route information
Maintained by Caltrans
Length0.926 mi[1] (1,490 m)
Major junctions
South end US 101 in East Palo Alto
North end SR 84 in Menlo Park
CountryUnited States
CountiesSan Mateo
Highway system
SR 113 SR 115

State Route 114 (SR 114), better known by its street name Willow Road, is a short, unsigned state highway in the U.S. state of California. It runs in San Mateo County from U.S. Route 101 in East Palo Alto to State Route 84 in Menlo Park west of the Dumbarton Bridge.

SR 114 was originally planned to stretch to I-280, but that portion was never constructed and has since been deleted from the legislative definition.

Route description

The route begins at U.S. Route 101 in East Palo Alto. From here, it heads east into Menlo Park. Here, it meets Hamilton Avenue and its east end at SR 84, which continues to the Dumbarton Bridge over the San Francisco Bay.


When defined in 1963, the route began at I-280 and ended at US 101. In 1984, a segment of SR 84 in the vicinity was swapped with SR 114, moving SR 114 from I-280 to SR 84, which followed Willow Road, as it does today. In 1990, however, the I-280 section was truncated and the terminus was switched to US 101.[2]

Major intersections

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in San Mateo County.

East Palo Alto5.00Willow RoadContinuation beyond US 101
5.00 US 101 (Bayshore Freeway) – San Jose, San FranciscoInterchange; south end of SR 114
Menlo Park5.92 SR 84 (Bayfront Expressway) – Dumbarton Bridge, FremontNorth end of SR 114
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
  2. ^ Faigin, Daniel P. "California Highways: Routes 113 through 120". Retrieved 2010-04-27.
  3. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  4. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006

External links