Along Rt 32 from Willimantic, Ct to Norwich, you can still see the RoW for the line, from Franklin into Willimantic. The Rt 32 bridge over the New England Central RR in the north end of Franklin, Ct was the old trolley bridge location. I am not sure how much remains of the line south of the Rt 32 bridge, by I think I have seen some of it on the north side of the road into Bozrah.
In Connecticut, from what I have been told, there has always been a rule that no interurban/trolley could cross a railroad at grade. Was this rule the same for most states, or was Ct a rairity??
Connecticut Eastern RR Museum