The 215 Rapid bus averages only 12 mph. It’s not much faster than a cyclist. Offboard ticket purchasing and allowing all passengers to board at any door could speed up service. There are more radical — and controversial — solutions San Diego could try, too.

Security officers believed Allen Koka was trespassing when he showed up to his cleaning job at MTS headquarters in 2014. They arrested him in a violent encounter even after a supervisor confirmed he worked there. Among the MTS officers involved were two who have been accused of violence before and remain on the job, a joint investigation by Voice of San Diego and NBC 7 Investigates has found.