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Post-1964 Legistlative Route Graphic

Former State Route 231

Click here for a key to the symbols used. An explanation of acronyms may be found at the bottom of the page.

Routing Routing

Former Rte 231No Current Routing.

Post 1964 Signage History Post 1964 Signage History

1963-1972 Routing

Post-1964 Legistlative Route Graphic In 1963, Route 231 was defined as "Route 86 to Route 195 near Mecca via Avenue 66."

In 1972, Chapter 1216 deleted that routing.

1988-1996 Routing

State Shield Toll Road Transportation Corridor In 1988, Chapter 1364 created a new definition of Route 231 as: "Route 5 near the border of the Cities of Tustin and Irvine to Route 91."

In 1991, Chapter 775 was extended by transfer from Route 241 (Route 261 to Route 241): "Route 5 near the border of the Cities of Tustin and Irvine at Route 133 to ...". At the same time, the portion from Route 5 near Tustin and Irvine to Route 241 was transferred to Route 261.

In 1996, Chapter 1154 deleted the routing. The portion of the route from Route 133 to Route 241 was transferred to Route 133. The portion from Route 241 to Route 91 was transferred to Route 241, making Route 241 run from Route 133 to Route 91. This route is one of the toll roads that form the Orange County Transportation Corridors (now Route 133 and Route 241).

Pre 1964 Signage History Pre 1964 Signage History

The 1964-1972 routing for Route 231 was part of LRN 204, defined in 1935. It first appeared on the 1936-37 Division of Highways Map aligned between US 99 and Route 111.

The 1988-1996 routing of Route 231 was not part of the state highway system in 1963.

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1988-1996 Routing

1964-1972 Routing

Naming Naming

This was to have been the "Eastern Transportation Corridor".

Status Status

Overall statistics for former Route 231:

Pre-1964 Legislative Route Pre-1964 Legislative Route

Leg Rte 231?In 1949, Chapter 1261 defined LRN 231 as

“[LRN 165] in San Pedro to [LRN 167] in Long Beach, via the mainland portion of Long Beach Outer Harbor and Terminal Island, subject to the following conditions:

1. Except as provided in paragraph number 2, no expenditure shall be made from state highway funds for the acquisition of rights of way for or construction, improvement, or maintenance of said highway until the following conditions have been met:

(a) The Federal Government shall have made available all funds necessary for the construction of said route, other than funds provided under paragraph 2.

(b) The Federal Government and the Cities of Los Angeles and Long Beach shall have granted a sufficient and adequate right of way without cost to the State of California for that portion of said route traversing lands owned or controlled by each of them.

(c) The authorized representatives of the Cities of Los Angeles and Long Beach and the appropriate agency of the Federal Government shall have approved the proposed alignment and the proposed location of all major structures on the route submitted by the State Department of Public Works.

2. Any city or county may contribute to, and the California Highway Commission may allocate monies from the State Highway Fund for the improvement of portions of [LRN 231] on the mainland when such improvement is found necessary to complete and integrated system of freeways between San Pedro, Long Beach, and the Civic Center in the City of Los Angeles.

3. If funds from sources other than state highway funds have not been made available for the construction on all portions of said [LRN 231] that are not on the mainland prior to January 15, 1953, said [LRN 231] shall on that date cease to be a state highway and this section shall have no further force or effect. ”

LRN 231 does not show on any pre-1963 state highway maps, although Seaside is shown, and the freeway that would eventually become Route 103 is shown without an LRN. By the 1958 map, LRN 167 is shown as extended to LRN 165, but not along Seaside Blvd. However, in the 1959 map, LRN 167 is partially along Seaside, and by 1960, it is along Seaside. This may have been what became LRN 167 (and later Route 47 and Route 710), or it could have been Route 103.

Acronyms and Explanations:

Back Arrow Route 230 Forward Arrow Route 232

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Maintained by: Daniel P. Faigin <>.