Sepulveda Pass

March 16, 2016, 10am PDT
The transit and road measure, based on extending and increasing half-cent sales taxes, would fund a massive amount of light rail, bus, and road measures, including building a Sepulveda Pass tunnel which would accommodate a toll road and rail line.
Los Angeles Times
January 10, 2013, 1pm PST
For anyone who's tried to commute between the San Fernando Valley and L.A.'s Westside during rush hour, it's clear the existing options just don't work. LA County is now considering six options - from BRT to rail tunnels - to help ease congestion.
The Atlantic Cities