Icy conditions and freezing rain hit the East Coast hard overnight. Slick roads reportedly caused over 50 traffic accidents in Virginia and the Baltimore/D.C. area was hit particularly hard. In one horrifying incident, a tanker truck overturned and exploded on I-95. A 15-car pileup occurred minutes later.
Source: Gizmodo – Winter Chaos Leads to Tanker Explosion and 50 Car Accidents