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CA Sepulveda Transit Corridor Designs Released

Wednesday, February 6, 2019

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Late last month, the Los Angeles County Metropolitan Transportation Authority (Metro) released four refined concept options for the Sepulveda Transit Corridor Project, which will help alleviate traffic on the I-405 Freeway.

Three of the four designs are plans for heavy rail, with the fourth option being a monorail design. The transit line would run between the San Fernando Valley and the Westside, eventually running down to the Los Angeles International Airport and moving through the Sepulveda Pass, according to the Engineering News-Record.

Metro Rail Concepts

The project, which has roughly $10 billion in funding from the transportation agency’s Measures R and M, is largely a movement to draw more than 100,000 passengers daily and alleviate congestion on the I-405, one of the busiest urban highways in the U.S.

Currently, a feasibility study geared toward finding high-capacity rail transit alternatives between the Valley and the Westside is being carried out for the Sepulveda Transit Corridor Project. The study is slated to be complete by the fall.

According to the Engineering-News Record, the roughly 20-mile-long study area is composed of two parts: the first portion connecting the Valley to the Westside, the second running from the Westside to LAX. The three heavy rail options would be mostly composed of tunnels through the Santa Monica Mountains; two of these would run underground between Van Nuys and the Westside, running under the 101 Freeway, though these choices would be faced with the challenge of tunneling under the East San Fernando Valley, along with potentially encountering water mainlines and storm drains.

The third heavy rail options would also have an aerial section, which also faces challenges in working with property owners regarding the aerial portion, as well as contending with storm drains and water mainlines. The fourth option—a proposal for a monorail—would sometimes run along the 405 Freeway. Though the monorail would be cheaper due to less tunneling being required, it would be slower with less space for riders.

Sepulveda Transit Corridor is funded with $5.7 billion from the Measure M plan to connect the San Fernando Valley and the Westside, scheduled to open in 2035. Another $3.8 billion will be used to extend that service from the Westside to LAX with a 2057 opening date.


Tagged categories: Infrastructure; NA; North America; Program/Project Management; Project Management; Rail

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