All Hartford Line trains stop at State Street, as well as most Shore Line East trains except for early mornings and late nights when the station is stupidly closed. During the week, some MNRR trains serve it but most don't as Union is where the crews work out of and where the yard is. I wish there was more MNRR service to State Street.

Amtrak Northeast Regionals that run along the shore to/from Boston and NYC/Washington/VA don't stop at State Street, as well as Acela services and the Vermonter.