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Long Island Bus
Mean Distance Between Failures
Graph of Long Island Bus Mean Distance Between Failures Performance Indicators

Sep 2008: 1,689 miles Oct 2007 — Sep 2008: 1,971 miles
Sep 2009: 3,908 miles Oct 2008 — Sep 2009: 2,257 miles

Mean Distance Between Failures (MDBF) is the average number of miles traveled by a bus before breaking down. The higher the mileage for the MDBF, the more reliable the bus and the service.