Dashing down the narrow right-of-way behind the Lowell High School, car 4131 pops out into a narrow band of sun amongst the trees.

Making its way through the Lowell National Historical Park, car 4131 stops short of the Merrimack St. crossing so a motorman can flag the car across.

With eyes fixed on the oncoming traffic and carrying her only weapon...a large red flag....Conductor Amy bravely steps onto Merrimack Street to make the crossing safe for her Park Service Trolley.... (more)

The trolley fleet at Lowell National Historical Park pretty much hibernates from late November until early March. With the city plows constantly piling snow and ice near the grade crossings, oper... (more)

A National Park Service trolley departs the Boott Mill complex, an authentic, 19th century cotton mill which is one of the cornerstone exhibits at the Lowell National Historical Park. The Park S... (more)

The National Park Service operates a trolley line in downtown Lowell, MA to provide transportation between the major exhibit sites at Lowell National Historical Park. Here, the Park Service Trolle... (more)

The Park Service Trolleys at Lowell National Historical Park operate on former Boston & Maine trackage that runs right through downtown Lowell. None of the grade crossings have lights or gates, n... (more)

This reproduction of an early 1900s enclosed electric trolley is operated by the National Park Service in the Lowell National Historical Park. It was built in 1987 by the Gomaco Trolley Company a... (more)