The Arkansas Dept. of Emergency Management has publish a list of Safe Room Facilities:

http://ftpcontent2.worldnow.com/katv/documents/4-3-14%20SAFEROOMSLIST.PDF

Full Story: Severe weather safe room facilities & NOAA transmitter locations & frequencies

Please avoid these areas so not to augment any traffic problems

Mayflower and Vilonia will both be effectively locked down today with only search-and-rescue crews and other emergency workers allowed in.

Full story here: Mayflower, Vilonia closed to traffic after tornado