00316    a2200097   4500082001600000100001900016245007800035260005300113300002600166650002600192  a363.125 DAV  aDavis, Gary A.  aCross Median Crashes: Identification and Countermeasures /cGary A. Davis  aMinnesota :bDepartment of Transportation,c2008  a63p. :bill. ;c30 cm  aTransportation Safety