The Los Angeles County Metro is the 3rd Largest Transit Authority in the United States and carries over 1,352,000 people a day.

Type: Public, Owned and Operated by the County of Los Angeles

Fleet Size: 2,472 Low-Floor and Articulated Buses

Routes: 170 Bus Lines, 4 Light Rail Lines, 2 Heavy Mainline Rail Lines

Manufacturer and Powerplant: LAMTA procures most of its fleet from NABI and a minority from New Flyer. The overwhelming majority of its fleet is CNG powered by engines supplied by Cummins Westport and transmissions from Allison. LAMTA has recently placed an order for 25 buses from Chinese heavy vehicle manufacturer BYD. The BYD K9's are all electric and will be delivered sometime next year.

Fare Collection: The Contactless Card Payment System in Los Angeles is know as TAP Card which stands for Transit Access Pass. It is produced and jointly administered with Xerox. In 2013 LAMTA held a contest to redesign the previously bland looking card to appear more vibrant.

Livery: The LAMTA uses a variety of different liveries which each denote several different types of service. LAMTA MetroLiner is a BRT service which uses dedicated bus lines and has a total of 27 Stations MetroLiner buses are typically painted Silver. Metro Local is normal bus service along regular routes and these buses are painted Orange, Metro Rapid operates limited stop service on the cities most busy streets and these buses are painted Red. Metro Express bus service operate longer routes and make use of the highway network. Express buses are painted Blue.

Innovations: The LAMTA operates a CNG majority fleet in one of the most traffic congested areas of the country. Its clean air initiative is one of the most successful in the country and LAMTA works directly with manufacturers such as New Flyer and Cummins to make even more fuel efficient and clean air engines. The LAMTA is also well known for its campaigns to get people out of their cars and on to public transit. A free transit week was proposed to reduce smog emissions every year around earth day.