By March 2010,84 of DART's 115 LRVs had been converted into SLRVs, and by August 2014, DART was operating a total of 163 SLRVs: all 115 converted LRVs in addition to 48 new units.
84 of DART's 115 LRVs had been converted into SLRVs. This was by March 2010. DART was operating a total of 163 SLRVs: all 115 converted LRVs in addition to 48 new units. This was by August 2014. This was by March 2010.