Above is the list of transit projects that would receive Measure M funding — along with groundbreaking and completion dates. Metro is also exploring public-private partnerships that may be used to accelerate some projects.

Below are project descriptions. In some cases, a project’s final mode and route will be determined as part of the project’s environmental studies. The Metro Board of Directors has the final say.

Airport Metro Connector (includes Green Line extension terminus) – Connects Metro Green Line Rail, Crenshaw/LAX Line Rail, and Metro and municipal bus service to the Los Angeles International Airport (LAX) via the LAX Automated People Mover. The project includes a terminal building with bus connections that connects the Metro Regional Rail system to a Los Angeles World Airport sponsored Automated People Mover into LAX, restrooms, wifi, retail, passenger pick-up and drop-off area, and other pedestrian and bicycle amenities (such as a bike hub and future bike share) could be included. More info here and project home page here.

Westside Purple Line Extension to Westwood/VA Hospital (Section 3) – Extends Purple Line subway 2.5 miles along Wilshire Boulevard by two stations, from Century City West to Westwood/VA Hospital; connects the Sepulveda Pass underground via the Westwood/UCLA Station. Note: The third section of the Purple Line Extension is scheduled to be completed by 2036 under the current timeline. Measure M would advance that to 2024-26. More info here and project home page.

Gold Line Foothill Extension to Claremont – A light rail extension of the Gold Line from its current terminus at Citrus College Station to the Claremont Metrolink Station through the cities of Claremont, Glendora, La Verne, Pomona, and San Dimas. Consisting of 5 stations, 11 miles. Note: The line could be extended to Montclair with a financial contribution from San Bernardino County. More info here and Gold Line Foothill Extension Construction Authority website here (the project would be built by the Authority and upon completion handed over to Metro for operation).

Orange Line BRT Improvements — Enables Orange Line Bus Rapid Transit buses to bypass several key intersections to improve bus speeds and passenger travel times. Earlier Source post on study for Orange Line improvements.

Bus Rapid Transit Connector Orange/Red Line to Gold Line – A 15.3-mile Bus Rapid Transit line from North Hollywood Orange/Red Line Rail Station to the Gold Line Rail in Pasadena. The project could be converted to a rail service at a later date if ridership demand outgrows the bus rapid service capacity.

East San Fernando Valley Transit Corridor – A high-capacity transit project, mode to be determined, that connects the Orange Line Van Nuys station to the Sylmar/San Fernando Metrolink Station. Consisting of 14 stations, 9.2 miles. More info here and project home page here.

West Santa Ana Light Rail Corridor — Union Station to City of Artesia, a new 20-mile light rail line from the City of Artesia to Union Station. To be built in two phases. More info here and project home page here.

Sepulveda Pass Express Bus Transit Corridor — Adds two ExpressLanes in each direction along the I-405 from I-10 to US-101, while maintaining current general purpose lanes, to provide express bus service connecting the San Fernando Valley to Westwood. More info here and project home page here.

Vermont BRT Corridor — Hollywood Bl to 120th St Adds a 12.5-mile high-capacity Bus Rapid Transit corridor from Hollywood Bl to 120th St. The project could be converted to a rail service at a later date if ridership demand outgrows the bus rapid service capacity. More info here.

Green Line Rail Extension — Redondo Beach to Torrance Transit Center Extends Green Line Rail 4.7 miles, four stations, from Redondo Beach to the Torrance Transit Center. Project home page here.

Sepulveda Pass Underground Transit Corridor — Creates a 10-mile high-capacity transit corridor underneath the Sepulveda Pass. The project connects the San Fernando Valley to UCLA and the Westside by providing a link between the Orange Line in Van Nuys and the future-planned Purple Line Rail stop. More info here and project home page here.

Gold Line Eastside Rail Extension — Extends Gold Line Rail east from Atlantic Station. Two alignments are planned for construction, one along SR-60 to South El Monte and the other along Washington Boulevard to Whittier. The first would be built by 2035-37 and the other 2057-59. Project home page here.

LAX BRT Connector to Santa Monica — Links Airport Metro Connector to Expo Line Rail via a Bus Rapid Transit corridor along Lincoln Bl. The project could be converted to a rail service at a later date if ridership demand outgrows the bus rapid service capacity.

Green Line Rail Extension to Norwalk Metrolink Station — Extends Metro Green Line Rail 2.8 miles from Norwalk to the Norwalk/Santa Fe Springs Metrolink Station.

Crenshaw Line Rail Northern Extension to West Hollywood — Extends Crenshaw Line Rail north from the Expo/Crenshaw Station to the Red Line Rail Hollywood/Highland Station.

Orange Line BRT Conversion to Light Rail — Converts 14.5 miles of existing Orange Line busway to light rail transit, 14 stations from Warner Center to North Hollywood.

Metro Rail and Express Bus Extension from Westwood to LAX Metro Connector — Ten-mile high-capacity transit and rail extension from Wilshire/Westwood Station to the Airport Metro Connector. Project could also add ExpressLanes along the I-405 that provides express bus service connecting Westwood to LAX. More info here and project home page here.

Regional Commuter Rail (Metrolink and Amtrak) Improvements Various capital improvements to enhance travel times, service reliability, and speed on Metrolink and Amtrak.