According to the Federal Highway Administration ( FHWA ), the Lincoln Tunnel XBL is the country's HOV facility with the highest number of peak hour persons among HOV facilities with utilization data available, with 23, 500 persons in the morning peak, and 62, 000 passengers during the 4-hour morning peak.

According to the Federal Highway Administration ( FHWA ), the length is while MDOT reports the length at, a discrepancy due to a disagreement over the northern terminus.

0.004 seconds.