California State Route 115

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State Route 115 marker

State Route 115
Route information
Defined by S&HC § 415
Maintained by Caltrans
Length: 35.24 mi[1] (56.71 km)
Major junctions
South end: I‑8 near Holtville
  SR 78
North end: SR 111 in Calipatria
Highway system
SR 114 SR 116

State Route 115 (SR 115) is a state highway in the U.S. state of California. It runs from Interstate 8 southeast of Holtville to Calipatria in Imperial County. SR 115's direction is not determined by its curves unlike most highways; rather the route turns at several 90-degree intersections.

Route description[edit]

This route is part of the California Freeway and Expressway System[2] and is eligible for the State Scenic Highway System.[3] However, it is not a scenic highway as defined by Caltrans.[4]

The route begins with an interchange at Interstate 8. It then heads northward and briefly enters Holtville. Near its exit of the city, it intersects a few county roads before beginning an overlap with SR 78. Upon leaving, it intersects CR 26. After a few miles, it reaches its north end at Calipatria at SR 111.


The segment south of SR 78 was slightly altered in 1972 after its definition in 1963. The northern segment was also defined in 1963, but it remains as it was established.[5]

Major intersections[edit]

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. R reflects a realignment in the route since then.[6] The entire route is in Imperial County.

Location Postmile
Destinations Notes
  R3.20 I‑8 – San Diego, Yuma Interchange
Holtville R7.19 Kavanaugh Road
  9.54 CR S80 west (Evan Hewes Highway) – El Centro, San Diego
    CR S28 (Worthington Road) – Imperial
21.02[N 1]
SR 78 east – Glamis, Palo Verde, Blythe South end of SR 78 overlap; former CR S78 east
  18.65[N 1]
SR 78 west – Holtville, Brawley North end of SR 78 overlap
  25.99 CR S26 (Rutherford Road)
Calipatria 35.24 SR 111 (Sorenson Avenue) – Brawley, Niland, Indio
35.24 CR S30 (Main Street) Continuation beyond SR 111
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. ^ a b Indicates that the postmile represents the distance along SR 78 rather than SR 115.


External links[edit]

Route map: Google / Bing