move on the platform at the pentagon city metro station. a crack on the bridge over the potomac cost up to a 30 minute delay. i waited two trance that were jammed packed with people. it was frustrating. people are down there like literally like sardines packed in. you cannot get on the metro because the metro is already full. to crack caused a train service on that track to be suspended. the second track crack happened across town on the red line. most were resolved by midday but by then the damage was already done. metro says extreme fluctuations in temperature are to blame here metric metal expands in heat and contracts and cold. every road it deals with the spirit we are about the only road in the northeast to dealing with this. writers scramble to grab a cab to get to work at a reasonable hour. downtown people started their work day late after sitting on trains for nearly 30 minutes. we are expected to see fluctuations in temperatures as we did yesterd