MassDOT reports it's opening the remaining fourth-lane sections of 128, er, 93/95/1/Hut!, between Randolph and Westwood this week. Schedule of segment openings . Important note:
With the opening of the new fourth travel lane, the authorized use of the breakdown lane for travel during weekday peak commuting periods will be discontinued to enhance driver safety and provide emergency vehicle access.
In other words, from now on, the breakdown lane is only for breaking down in.
- Canton 
- Driving