![MTS Trolley, which launched in 1981, is now a 54.3-mile system with four lines (UC San Diego Blue, Orange, Sycuan Green, and SDG&E Silver) and 54 stations. All 244 LRVs ever purchased came from Siemens Mobility.](https://clone.railwayage.com/wp-content/uploads/2021/08/San-Diego-LRV-gens1-315x168.jpg)
Happy 40th! MTS Trolley Celebrates Anniversary
San Diego (Calif.) Metropolitan Transit System (MTS) recently marked the 40th anniversary of the Trolley—the first modern light rail system in the U.S.
San Diego (Calif.) Metropolitan Transit System (MTS) recently marked the 40th anniversary of the Trolley—the first modern light rail system in the U.S.