Valley Metro commences operations of Siemens Mobility S700 LRVs, US January 10, 2022 | North America News Valley Metro has commenced operations of three S700 light rail vehicles (LRV) supplied by Siemens Mobility on its network. A total of seven LRVs have been delivered. The vehicles are designed to pro... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password