It's after torrential rain and thunder storms led to spot flooding in the city and county.
Motorists are being asked to slow down as debris may have been dislodged overnight and spread across roads.
Fire Crews and the Council closed a section of Sunday's Well Road from Thomas Davis Bridge to Shanakiel Road at 4am to deal with a large flood.
Speaking to RedFM News, local resident Martin O'Brien says the road has flooded a number of times in the past few years:
