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- 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 tunnel in the United States to run under an airport runway. In the late-1940s, LAX (then known as Mines Field) was set to have its runways extended. However, Sepulveda Boulevard stood in the way, largely prohibiting the possibility of expansion. Initially, the thoroughfare was rerouted to go around the western end of the runways. In a move to allow Sepulveda Boulevard to return to its original straight-line path, Airport Tunnel was created. The US$3.5 million (equivalent to $53 million in 2021) of funding for the project was split between a 1945 bond issue and a federal grant. Construction began in October 1949 and was completed by March 1953. An opening ceremony, held on April 21, 1953, was officiated by Mayor Fletcher Bowron and the first 100 motorists to pass through the tunnel received souvenirs. The tunnel was considered experimental at the time, as the concept had never been built before. The tunnel featured some complex engineering for its time. Two ventilation houses with four fans each to both push fresh air into the tunnel and pull out exhaust fumes, a power substation was built to supply energy to the thousands of vapor lights in the tunnel and the eight fans, rainwater is gathered by a drain system and empties into vaults where the water is pumped out. The road has six lanes (three in each direction) along with six turnouts, each large enough to hold three cars, for vehicles that break down in the tunnel. Over the years, motorists complained about the poor lighting in the tunnel being a safety hazard. The lighting system was overhauled in 1965 and was revamped with LED lights in 2012. Due to exhaust soot buildup, the tunnel is periodically closed for cleaning. (en)
- 机场隧道（英語：Airport Tunnel），别称塞普尔维达大道隧道（英語：Sepulveda Boulevard Tunnel），是洛杉矶的一条高速隧道，在此下穿洛杉矶国际机场南跑道（07L/25R和07R/25L）和滑行道。塞普尔维达大道的这段区间为一号加利福尼亚州州道的一部分。该隧道是美国第一条下穿机场跑道的隧道。 1940年代末，洛杉矶国际机场（时称Mines起降场）准备进行跑道延长工程。然而，塞普尔维达大道就在跑道前方，扩建工程在很大程度上受阻。最初，大道一度改道到跑道西端。为恢复塞普尔维达大道的原始走向，于是修建了机场隧道。当局利用1945年发行的的债券和联邦拨款凑齐了3,500,000美元。隧道于1949年10月开工，1953年3月通车。时任洛杉矶市市长弗莱彻·鲍伦主持了通车疑似，首批通过隧道的百名司机收到了纪念品。由于早期未有先例，故被普遍认为是一大创举。 多年来，驾驶者一直抱怨隧道内光线不足是一大安全隐患。照明系统于1965年进行了大修，并于2012年将灯光系统换型为LED灯。 由于尾气堆积，隧道会定期关闭进行清洁工作。 (zh)
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- The northern portal of the Airport Tunnel at night (en)
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- Runways and taxiways on the south side of Los Angeles International Airport (en)
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- Near Century Boulevard (en)
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- (en)
- LAX Tunnel (en)
- Sepulveda Boulevard Tunnel (en)
- Sepulveda Tunnel (en)
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- 机场隧道（英語：Airport Tunnel），别称塞普尔维达大道隧道（英語：Sepulveda Boulevard Tunnel），是洛杉矶的一条高速隧道，在此下穿洛杉矶国际机场南跑道（07L/25R和07R/25L）和滑行道。塞普尔维达大道的这段区间为一号加利福尼亚州州道的一部分。该隧道是美国第一条下穿机场跑道的隧道。 1940年代末，洛杉矶国际机场（时称Mines起降场）准备进行跑道延长工程。然而，塞普尔维达大道就在跑道前方，扩建工程在很大程度上受阻。最初，大道一度改道到跑道西端。为恢复塞普尔维达大道的原始走向，于是修建了机场隧道。当局利用1945年发行的的债券和联邦拨款凑齐了3,500,000美元。隧道于1949年10月开工，1953年3月通车。时任洛杉矶市市长弗莱彻·鲍伦主持了通车疑似，首批通过隧道的百名司机收到了纪念品。由于早期未有先例，故被普遍认为是一大创举。 多年来，驾驶者一直抱怨隧道内光线不足是一大安全隐患。照明系统于1965年进行了大修，并于2012年将灯光系统换型为LED灯。 由于尾气堆积，隧道会定期关闭进行清洁工作。 (zh)
- 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 tunnel in the United States to run under an airport runway. The road has six lanes (three in each direction) along with six turnouts, each large enough to hold three cars, for vehicles that break down in the tunnel. (en)
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- Airport Tunnel (Los Angeles) (en)
- 洛杉矶机场隧道 (zh)
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