In a city where a quick ride across town can cost as much as dinner, few Angelenos realize there’s a public transit option that charges as little as a dollar. Recently, the LA Mission Instagram touted Metro Micro, a rideshare service managed by the Los Angeles County Metropolitan Transportation Authority, as the “best-kept secret in LA Transit.” Though it launched four years ago, Metro Micro remains largely unknown — its app has just 16 reviews and a 1.9-star rating. Metro Micro is intended for communities that have “limited access to traditional transit service,” according to their website . The minibuses transfer passengers within their communities and between public bus and…..