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 altered in 1972 after its definition in 1963. The segment between I-8 south to SR 98 near Bonds Corner was deleted, and the definition was clarified from "Route 8 near Holtville" to "Route 8 southeasterly of Holtville". 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, 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 an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions).[6] Segments that remain unconstructed or have been relinquished to local control may be omitted. 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