AMP: 32
Location: Central Sq and North St, Chelmsford
Exit right for 4 south.
AMP: 32
Location: Central Sq and Chelmsford St, Chelmsford
Turn left at the signal for 110 east.
AMP: 32
Location: Central Sq and Chelmsford St, Chelmsford
Turn right for Route 129 east to Billerica.
N to I-495, S to MA 110/MA 129