Answer: PILEUP

AnswerCrossword Clue
PILEUPAwful accident
pileupA crash involving several vehicles
pileupa collision involving several motor vehicles
pileupA confused mass of people fallen on top of one another, esp. in a team game
pileupAn accumulation of a specified thing
PILEUPJam producer
PILEUPMulticar crash
PILEUPRoad mishap
PILEUPInterstate calamity
PILEUPMulti-vehicle crash
PILEUPAccumulate
PILEUPMulticar accident
PILEUPTraffic tragedy
PILEUPRoad accident
PILEUPTraffic jam.
PILEUPAmass
PILEUPTraffic snarler
PILEUPRubbernecking cause
PILEUPTraffic stopper