Frankford Junction to Trenton

At Frankford Junction (MP 81.8), with crossovers west of the junction, a connection to the Point Richmond Yard turns southwest, the connection to the NJT Atlantic City Line turns southeast, and the NEC turns northeast, four tracks wide (southbound slow to the north, southbound fast, northbound fast, northbound slow) with speed limits 90-25 on the inner tracks and 70-30/25 on the outer tracks, past the Market-Frankford line passing overhead and Frankford Boulevard/Street below at the same point, a connection from the Port Richmond Yard line (that passes beneath the Atlantic City line) trailing in from the southwest, the Frankford Junction Yard on the southeast side of the line, a road bridge overhead, a bridge over a stream, a bridge over a road, Frankford (MP 80.9), at the end of the yard, where freight speeds rise to 50/45, a signal bridge, three bridges over streets, a signal bridge, and a bridge over a street, the passenger station at Bridesburg (MP 80.1), with very short platforms and shelters on the outer tracks only, two bridges over streets, a signal bridge at MP 79.x, six bridges over streets, the location of a passenger station at Wissinoming (MP 79.3) in among them, and the passenger station at Tacony (MP 78.2), with very short platforms and shelters on the outer tracks only.

There are two bridges over streets, signal bridges and multiple crossovers at Holmes (MP 77.2), where a PRR branch to Bustleton once turned north and speed limits rise to 100-50 on three of the tracks and 110-50 on the fourth, a passenger station at Holmesburg Junction (MP 77.2), with two side platforms on the outer tracks and brick 'depots' to north and south, a brick signal tower on the north side, a bridge over a street, a bridge over a river, a road bridge overhead, MP 76.0, where passenger speeds on the inner tracks rise to 125/110, a signal bridge, a wide angled road bridge overhead, a road bridge overhead, a highway alongside to the north, the passenger station at Torresdale (MP 74.6), with two side platforms and depot to the north, a signal bridge, a road bridge overhead, a signal bridge, the [location of a] passenger station at Abdalusia (MP 73.7), a signal bridge, the passenger station at Cornwells Heights (MP 72.5), with two side platforms and shelters on both platforms, an empty signal bridge, a signal bridge, a road bridge overhead, the [location of a] passenger station at Eddington (MP 71.3), an empty signal bridge, a bridge over a river, and a bridge over a road, and the passenger station at Croydon (MP 69.6), with two side platforms (high level from Autumn, 2011), each with a shelter.

There is a signal bridge at CP Croy (MP 68.3), a street alongside to the north, a signal bridge, a bridge over a street, a signal bridge at MP 67.x, a bridge over a street, a passenger station at Bristol (MP 66.5), with two side platforms and shelters, on an embankment, a bridge over a street, an empty signal bridge, a bridge over a river, a rail-served factory to the north, a bridge over a street, a signal bridge, crossovers at Grundy (MP 65.3), where one of the 125s drops to 120, an additional running track numbered 0 begins, where brick Grundy Tower still stands along the south side and the line turns north-northeast, alongside the west bank of the Delaware River, a road bridge carrying the Pennsylvania Turnpike connector overhead, a signal bridge, an empty signal bridge, Edgely, a passenger station at Levittown-Tullytown (MP 63.3), with two side platforms and a depot to the north, a road bridge overhead, a street alongside to the north, MP 62, where the 120 drops to 110 and the freight speed drops to 40 mph, an empty signal bridge, a pond to the north, the Delaware River to the south, a signal bridge, Warner, a signal bridge at MP 60.x, and a road bridge overhead.

There is a signal bridge on the south pair of tracks as the tracks have separated into two pairs, a road bridge overhead, a street alongside to the south, and the former Conrail (now NS) Morrisville freight line from its connection on the "Main Line" on the west side of the city, trails in from the west, as does a former Reading two-track line, on a flyover bridge leading to the middle tracks (inner track of each pair), a line departs southeastward to Fairless Steel on the Delaware River, and multiple crossovers at Morris (MP 58.3), with two bridges over streets and a signal bridge at the east/north end of the crossovers, where brick Morris Tower still stands on the south side of the line, speeds drop to 80-35/30 on the outer tracks and 110-30 on the inner tracks.

The NEC continues northeast past Morrisville and across a deck girder bridge over the Delaware River into New Jersey, where it passes a bridge over a road on the east side of the river, two road bridges overhead, a ?? bridge, two road bridges overhead, and below the through truss bridge carrying the former Conrail Bordentown Secondary Track, now used by the River LINE light rail line, into Trenton passenger station (MP 56.7), with two through tracks and two island platforms with tracks on each side, and depot above and to the north, and a new depot on the south side, where SEPTA service ends.