Twin Cities Rail Trail

The Twin Cities Rail Trail is a paved path on an old rail line that links downtown Fitchburg and downtown Leominster. It runs along the North Nashua River and over a bridge across Route 2, so people use it for trips between the two cities and for easy rides and walks.

Length: 4.1 mi; rail trail
Surface: Paved
Get on at: 5 places; on the map

From Fourth Street to Leominster Railroad Depot

Parking at every place to get on · See where

Train back from Fitchburg station · Next trains

Plowed in winter · Who clears it

Open. No closures as of Oct 19, 2026.

Ride it as a roam Directions to Fourth Street

Where to get on

Numbers match the list; P has parking.

Download the GPX

For Ride with GPS, Strava, Komoot or a bike computer.

Fourth Street, Fitchburg
North end of the off-street path. Riders reach First Street on Railroad Street. The bridge to Fitchburg station is being built.
MBTA Fitchburg Line and MART buses at Fitchburg station (Intermodal Center), about a 10-minute ride on city streets
Paid parking at the Fitchburg Intermodal station, a short ride away
Directions
Water Street (Route 12), near the city line
MART Garage (City Line) stop, about 300 m (MART routes 1, 2, 3, 5, 6, 7, 8, 9, 11)
Trail parking off Benson Street nearby (trail association map); exact lot not checked
Directions
Doyle Field, Leominster
Lot by Doyle Field (TrailLink lists 100 Priest St)
Directions
Carter Park, Leominster
End of Phase 1. The trail goes on south to the old depot.
MART stops at Monument Square, about 570 m
Free parking by Carter Park along Main Street and Summer Street
Directions
Leominster Railroad Depot, Columbia Street
South end, at the old Victorian train depot. This last piece was built by the City of Leominster.
MART Monument Square stops, about 230 m (MART routes 1, 2, 3, 8, 9)
Free public lots in downtown Leominster
Directions

Getting there

By transit: MBTA Fitchburg Line trains stop at Fitchburg station, about a 10-minute ride on city streets from the north end, and at North Leominster station, about a 10-minute ride from the south end.
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MART buses are fare-free right now. MART Route 2 runs about every half hour between downtown Fitchburg and downtown Leominster, and several routes stop at Monument Square in Leominster near the south end.
Parking: Free lots at the Leominster end, by Carter Park and Doyle Field.
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Parking off Benson Street in Fitchburg. Paid parking at the Fitchburg Intermodal station.

Ride out, train home

Ride the trail one way and take the Commuter Rail back. Fitchburg station is 0.3 miles from Fourth Street.

A roam on this trail

A roam is a self-guided route with stops along the way. The free Shift app checks you in at each stop, and you unlock a badge at the end.

The whole trail