Commuters across Southern California are about to feel it on the tracks. Metrolink is extending its weekday service cuts indefinitely, dialing back trains across most of its network as the agency grapples with a mounting budget crisis and ongoing equipment issues, according to Secret Los Angeles . Metrolink is extending its weekday service cuts indefinitely. Ian L Sitren/ZUMA Press Wire / Shutterstock The reductions — which amount to a roughly 20% cut in service — will remain in place on six of Metrolink’s seven lines . The changes hit weekday riders the hardest, with fewer trains and longer gaps between departures across major corridors serving Los Angeles, Orange, Riverside, San Bernardino, Ventura and connections into San Diego County. What’s behind the cuts? The service reduction were first rolled out March 23 as a temporary fix after repeated mechanical issues sidelined parts of Metrolink’s newer locomotive fleet — particularly its F-125 engines.…