California State Route 115 is a 35.24-mile State Highway located in Imperial Valley of Imperial County. California State Route 115 begins at California State Route 111 in Calipateria and ends at Interstate 8 east of Holtville. California State Route 115 first appeared on State Highway maps during 1956 over a segment of Legislative Route Number 187 and Legislative Route Number 201. California State Route 115 was realigned onto a bypass of Holtville during 1959 and originally had a southern terminus at Bonds Corner. During 1972 the southern terminus of California State Route 115 was shifted east of Holtville to Interstate 8.
The history of California State Route 115
What was to become California State Route 115 was added to the State Highway System during 1933 as a component of Legislative Route Number 187 (LRN 187) and a component of Legislative Route Number 201 (LRN 201). The original definition of LRN 187 was as follows:
"LRN 202 near Bonds Corner to Morongo Valley via north shore of Salton Sea, Mecca and Indian Wells"
The original definition of LRN 201 was as follows:
1. Calipatria to LRN 187 between Brawley and Holtville
2. LRN 26 east of Heber to LRN 187 near Brawley
The future California State Route 115 would in time occupy the segment of LRN 187 between Bonds Corner to the vicinity of Alamorio and LRN 201 from Alamoria to Calipatria. The Bonds Corner-Alamorio segment of LRN 187 and Alamorio-Calipatria segment of LRN 201 can be seen on the 1934 Division of Highways Map.
The September 1934 California Highways & Public Works references much of LRN 201 and LRN 187 between Calipatria-Holtville having been recently surfaced with oil.
The Bonds Corner-Alamorio segment of LRN 187 and Alamorio-Calipatria segment of LRN 201 were not assigned one of the initial Sign State Routes which were announced during August 1934. The Bonds Corner-Alamorio segment of LRN 187 and Alamorio-Calipatria segment of LRN 201 can be seen on the 1935 Division of Highways Map Imperial County. From Bonds Corner LRN 187 can be seen following Bonds Corner Road and Walnut Avenue north to US Route 80 in Holtville. From Holtville LRN 187 can be seen following Holt Road, Hartshorn Road, modern California State Route 115 to modern Ben Hulse Highway near Alamoria. From Alamoria LRN 201 can be seen following West Road, Wirt Street to Main Street in Calipatria.
California State Route 115 first appears on the 1956 Division of Highways Map following LRN 187 and LRN 201 from Bonds Corner to Calipatria. It is unclear why California State Route 115 was added to LRN 187 and LRN 201 as it is not referenced in any California Highways & Public Works volume.
The November/December 1958 California Highways & Public Works referenced California State Route 115 undergoing several improvements. The Alamorio-Sandia Turn segment of California State Route 115 was to widened. The Ortia Canal-Standard Canal segment of California State Route 115 is noted to have been rebuilt due to the failure of an irrigation facility.
The November/December 1958 California Highways & Public Works references California State Route 115 was to be relocated to a bypass of Holtville during 1959-1960 fiscal year.
The new California State Route 115 bypass west of Holtville appears on the 1960 Division of Highways Map.
As part of the 1964 State Highway Renumbering the Legislative Route Numbers were dropped in favor of Sign Route designations. California State Route 115 was given the following legislative definition:
A. Route 98 near Bonds Corner to Route near Holtville
B. Route 8 near Holtville to Route 78
C. Route 78 east of Brawley to Route 111 at Calipatria
The new legislative definition of California State Route 115 appears on the 1964 Division of Highways Map.
Following the opening of Interstate 8 south of Holtville during 1972 California State Route 115 was altered and given a new southern terminus. Segment A of California State Route 115 was deleted, and the highway was extended east of Holtville via former US Route 80 on Evan Hewes Highway to Interstate 8. The realignment of California State Route 115 and deletion of segment A were made via 1972 Legislative Chapter 742. The new southern terminus of California State Route 115 appears on the 1975 Caltrans Map.
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