Data Source: FMCSA Motor Carrier Management Information System (MCMIS) December 16, 2011 snapshot.
*Driver OOS rate is based on inspection levels I, II, III, and VI.
Vehicle OOS rate is based on inspection levels I, II, V, and VI.
HM OOS rate is based on inspection levels I, II, III, and VI when HM is present.
†2011 data, as of December 16, 2011