Diesel engines that pollute, dozens of dangerous grade crossings, doors with steep steps -- Caltrain is a 19th century style railroad in a region of California

Diesel engines that pollute, dozens of dangerous grade crossings, doors with steep steps -- Caltrain is a 19th century style railroad in a region of California that desperately needs modern transportation services. The short-sighted decision by Santa Clara and San Mateo counties to turn their backs on BART, made 50 years ago, continues to play itself out.