Caltrain has lost their way and implemented a low tech solution.
Per 295bus Caltrain has put a sign on the front cabs of trainsets with 2 bike cars. Passengers have only been recommending this for oh say, 5-6 years. Of course this was probably an expensive implementation and Caltrain had to apply for a grant.
A step through frame from Faraday Bikes
19 hours ago