‘ ‘ ‘ Chancellor Mark Nordenberg didn’t cancel classes yesterday, despite the fact that some of… ‘ ‘ ‘ Chancellor Mark Nordenberg didn’t cancel classes yesterday, despite the fact that some of Pitt’s neighbors did. ‘ ‘ ‘ Point Park and Duquesne universities canceled afternoon classes, but Pitt remained open. The last time Pitt canceled classes because of the weather was two years ago, on Feb. 12. ‘ ‘ ‘ The National Weather Service issued a Winter Storm Warning yesterday afternoon that lasted until 7 p.m. yesterday. ‘ ‘ ‘ Slushy Oakland roads created problems for drivers and cleaning crews. Some Pitt shuttles stopped running for parts of the day. ‘ ‘ ‘ ‘Traffi c is heavy and road conditions are marginal,’ said travel and transportation administrator Vince Johns in a statement yesterday afternoon. ‘Safety is of paramount concern. It is possible that shuttle operations will again be suspended if road conditions worsen.’ ‘ ‘ ‘ Pitt workers helped city officials combat the onslaught of slush on Oakland streets. ‘ ‘ ‘ Pitt police offi cer Ron Bennett said that he didn’t notice an especially high number of emergency calls yesterday, but some problems did arise. ‘ ‘ ‘ ‘There were a couple of issues, mainly on top of the hill’ he said. ‘ ‘ ‘ The Pittsburgh Port Authority experienced delays across the city but did not cancel any bus routes. ‘ ‘ ‘ ‘We’re having diffi culties getting into areas with elevated routes,’ said Port Authority spokesman Dave Whipkey. ‘ ‘ ‘ Pitt student Lahia Annis-Christy said that while the busses were running, they seemed to be’ having issues navigating some of the muckier streets. ‘ ‘ ‘ ‘I was like, ‘I don’t think I’m going to work today,” she said. ‘So, I got off the bus and walked.’