Massachusetts Route 3A, I-90/MA 1A to I-93/US-1/MA 99

 

AMP: 57

Location: I-93 and I-90, Boston

Reassurance shield after the I-90 exit.

AMP: 58

Location: I-93 and I-90, Boston
Reassurance shield as we approach the Big Dig.

AMP: 58

Location: I-93 and I-90, Boston

Welcome to the O’Neill Tunnel!

AMP: 59

Location: I-93 and Atlantic Ave, Boston

Inside the Big Dig, exit for Government Center. We’re a half mile from Storrow Drive, which carries 3/3A.

AMP: 59

Location: I-93 and Storrow Dr, Boston

3/4 of a mile to the US 1 exit. Exit ahead for Storrow Drive, which takes 3 and 3A with it – but this is all one big interchange with US 1 included as well.

N to MA 28, S to MA 3A/MA 203

N to MA 28/MA 38, S to MA 3A/MA 203

N to MA 16, S to MA 3A/MA 203

S to MA 3A/MA 203, N to MA 28

N to MA 28/MA 38, S to I-90/MA 1A

N to MA 16, S to I-90/MA 1A

N to MA 38

E to MA 1A, W to MA 9

N to I-90, S to MA 3A/MA 203