Ordinarily, this tunnel is only used to carry traffic southbound and with the completion of the Big Dig, only collects traffic bound for I-93 Northbound, Storrow Drive, and downtown Boston.
Ordinarily, this tunnel is only used to carry traffic southbound and with the completion of the Big Dig, only collects traffic bound for I-93 Northbound, and downtown Boston.93 Northbound is Storrow Drive.