Airport Tunnel (Los Angeles)

The Airport Tunnel, also known as the Sepulveda Boulevard Tunnel, is a highway tunnel in Los Angeles, carrying Sepulveda Boulevard underneath the two runways (25L/25R) and taxiways on the south side of the Los Angeles International Airport (LAX). This section of Sepulveda is a part of California State Route 1. The tunnel was the first in the United States to run under an airport runway.

Airport Tunnel
The northern portal of the Airport Tunnel at night
Overview
Other name(s)
  • Sepulveda Boulevard Tunnel
  • Sepulveda Tunnel
  • LAX Tunnel
LocationLos Angeles International Airport
Los Angeles, California
Coordinates33°56′25″N 118°23′46″W
StatusOpen
Route SR 1 / Sepulveda Boulevard
CrossesRunways and taxiways on the south side of Los Angeles International Airport
StartNear I-105
EndNear Century Boulevard
Operation
Work begunOctober 1949
OpenedApril 21, 1953 (1953-04-21)
OwnerCaltrans
City of Los Angeles
Technical
Length1,909 feet (582 m)
No. of lanes6 (3 in each direction)
Operating speed40 mph (64 km/h)
Tunnel clearance15–15.08 feet (4.57–4.60 m) (northbound)
15.17 feet (4.62 m) (southbound)
Width80 feet (24 m)
Route map
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