When the winter rains arrive, Oakland public transit riders will find shelter once again at their bus stops. But that’s only because the city’s Transportation Department agreed to postpone a plan to remove 100 bus shelters. Josh Rowan, Transportation Department director, also agreed to work on alternatives with AC Transit. Riders complained and some accused the city of being against homeless people after Michael Ford, the city’s transportation parking director, proposed removing the shelters at an Oakland/AC Transit Interagency Liaison Committee meeting this month. Transportation leaders said existing structures are potentially dangerous and expensive to maintain.  Ford said the shelters — primarily made of glass to bring in advertising revenue — are repeatedly vandalized and pose a threat to riders and drivers who often crash into the glass shields, reducing them to shards. “We had a situation last week, there was a vehicle that plowed …