▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁M idd les ex ▁County , ▁Massachusetts ▁Category : H istor ic ▁districts ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Massachusetts <0x0A> </s> ▁The ▁F L 7 ▁( until ▁ 2 0 1 2 ▁FR 7 ) ▁is ▁a ▁regional ▁rail ▁route . ▁ ▁It ▁forms ▁part ▁of ▁the ▁network ▁of ▁the ▁Laz io ▁regional ▁rail ways ▁( ), ▁which ▁is ▁operated ▁by ▁T ren ital ia , ▁and ▁converges ▁on ▁the ▁city ▁of ▁Rome , ▁Italy . ▁ ▁The ▁route ▁oper ates ▁over ▁the ▁infrastr ucture ▁of ▁the ▁Rome – Form ia – N ap les ▁railway . ▁ ▁Within ▁the ▁territory ▁of ▁the ▁comune ▁of ▁Rome , ▁it ▁plays ▁the ▁role ▁of ▁a ▁comm uter ▁railway . ▁It ▁is ▁estimated ▁that ▁on ▁average ▁about ▁ 4 0 , 0 0 0 ▁passengers ▁travel ▁on ▁an ▁FR 7 ▁train ▁each ▁day . ▁ ▁The ▁design ation ▁F L 7 ▁appears ▁only ▁in ▁public ity ▁material ▁( e . g . ▁public ▁transport ▁maps ), ▁in ▁the ▁official ▁tim et ables , ▁and ▁on ▁signs ▁at ▁some ▁stations . ▁ ▁The ▁electronic ▁destination ▁bo ards ▁at ▁stations ▁on ▁the ▁F L 7 ▁route ▁show ▁only ▁the ▁design ation ▁" R " ▁and ▁the ▁relevant ▁train ▁number . ▁ ▁Route ▁▁▁▁ ▁Roma ▁Term ini ▁ ↔ ▁M int urn o - S ca uri ▁ ▁The ▁F L 7 , ▁a ▁radial ▁route , ▁runs ▁from ▁Roma ▁Term ini , ▁on ▁the ▁southern ▁per imeter