R68 Subway Car 254 Posted January 26, 2008 Share #1 Posted January 26, 2008 With the R68 and R68A moving to the B train with the R160s going to the W and N, will the MDBF of the R68s and R68As be affected MDBF-wise by them now going to a part-time line like the B? The 2006 MDBF for the R68s was 306132 miles, and the 2006 MDBF for the R68As was 306261 miles. Will it decrease or increase with them moving to part-time lines? Link to comment Share on other sites More sharing options...
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