Phil to Newark, DE

South of the crossovers at Arsenal (MP 2.7), where the SEPTA West Chester Line heads away from the high-level tracks on the west side, a set of high-level tracks from the high-level station trails in on the west side of the NEC tracks from the low-level station, with the former High-Line freight route splitting, with one leg  trailing in between them and one crossing overhead to the south side and trailing in there. The main line turns south-southeast, with speed limits 70-50 on the two through tracks (45-40 on the most northerly track) as far as MP 3, where passenger speeds rise to 100 mph (60 mph on the most northerly track), around a bend in the Schuylkill River, past a bridge over a street below, a wye on the southeast side with a freight line across the river, and turns southeast, under the bridge carrying the former B&O (now CSX) line overhead, past extra track on the north side, two road bridges overhead and multiple crossovers at CP Phil (MP 3.6), where the SEPTA line to the Philadelphia Airport departs at a flying junction, with one track leaving on the northwest side and climbing up onto a flyover to head south towards the airport, and the number of tracks rises to four, with speeds 90-50 on the north track (4), 100-50 on track 3, 100-40 on track 2, and 90-40 on track 1.

There are five road bridges overhead, the line passes Brill, jogs west (passenger speeds 70, 90, 80, 70 on the four tracks on the curve) past a road bridge overhead to the passenger station at Darby (MP 6.1), with platforms on the outer tracks only, where it turns southwest again, past four road bridges overhead, a bridge over a street below, and the passenger stations, with platforms on the outer tracks only, at Curtis Park (MP 6.8), and at Sharon Hill (MP 7.2), a road bridge overhead, the Sharon Hill trolley depot on the east side of the line, a bridge over a street below, a bridge over a stream, the passenger station, with platforms on the outer tracks only, at Folcroft (MP 7.7), a road bridge overhead just south of the station, a road bridge overhead just north of the passenger station, with platforms on the outer tracks only, at Glenolden (MP 8.3), a road bridge overhead at the passenger station, with platforms on the outer tracks only, at Norwood (MP 9.0), a bridge over a road intersection, the passenger stations, with brick depots on the east side and platforms on the outer tracks only, at Moore (MP 9.5), where the line turns south-southwest, and at Ridley Park (MP 10.4), where the line turns southwest, a road bridge overhead, a bridge over a street below, and the passenger station, with brick depot on the east side platforms on the outer tracks only, at Crum Lynne (MP 11.2), where it turns south-southwest, past a road bridge overhead, a pedestrian bridge overhead, a bridge over a road below, dual highway bridges overhead, crossovers at Baldwin (MP 11.7), where speed limits drop to 90-45 on all four tracks and there is an old tower still standing on the east side, through the former site of the Eddystone Baldwin Locomotive Works, and turns west-southwest, following but not along the north bank of the Delaware River, past a bridge over a stream, two bridges over streets below, a bridge over a river, five bridges over streets below, the passenger station, with platforms on the outer tracks only, at Eddystone (MP 12.3), seven bridges over streets below, a road bridge overhead, an old tower on the west side, and six bridges over streets below, all surrounding the passenger stations, with brick depots on the east side and platforms on the outer tracks only, at Chester (MP 13.4), Lamokin Street (MP 14.4), where there is a road bridge overhead and Lamokin Tower on the north side, and Highland Avenue (MP 15.5).

There are multiple crossovers at Hook (MP 16.8), where speed limits rise to 110-50 on tracks 3 & 4, 110-35 on track 2, and 105-35 on track 1, and there is a wooden twoer on the south side, past a former rail-served industrial facility on the west side, yard tracks for covered hoppers on the east side, the passenger station at Marcus Hook (MP 17.1), with platforms on the outer tracks only, a road bridge overhead, the Pennsylvania-Delaware State Line (MP 18.2), a road bridge overhead, a bridge over a road, a bridge over a dirt road, MP 19, the passenger station (with two sides platforms) at Claymont (MP 19.6), with platforms on the outer tracks only, crossovers at Holly (MP 20.3), where the number of passenger tracks reduces to two with speed limit 110-50, with a pair of freight tracks in the center, then a flyover bridge overhead from southernmost to second-northernmost, reordering the tracks, as the line runs along the west bank of the Delaware River, and crossovers at Bell (MP 22.5), where there is a tower on the east side, I-95 is alongside to the west, the number of freight tracks drop to one and then returns to two, for freight or entry to the Amtrak electric locomotive shops, there are dual road bridges overhead, and speed limits become 105-30 on tracks 3 & 2 and 60-40 on tracks 1 & 0, and a (now NS) freight bypass departs on the southeast side, with one track carried overhead on a bridge, at Edgemoor (MP 24.0). The Amtrak electric locomotive shops are on the southeast side of the line and the car shops on the northwest side, there are crossovers at Landlith (MP 25.4), west end of the shops, where there is a wye on the southeast side, the number of tracks reduces to two, and the speed limits drop to 80-25, five bridges over streets, a bridge over a river, MP 26, a bridge over a street below, bridges over streets below with an intersection west of the tracks, crossovers at Wine (MP 26.6), where speed limits drop to 30-15, and the number of tracks rises to three again, two bridges over streets, and the passenger station at Wilmington (MP 26.8), which has a platform on the northwest side of the tracks, an island between tracks 2 and 1, and a platform on the southeast side, at an elevated level, and a brick depot on the southeast side.

Martin Luther King, Jr, Boulevard runs parallel on the northwest side. There are five bridges over streets (one right at the southwest end of the station), a crossover at Brandy (MP 26.9), where the line into West Yard diverges on the south side of the line, there is a wide road bridge overhead with ramps on the east side, a bridge over a street, speed limits rise to 80-30 at MP 27.1, there is an interlocking at Yard (MP 28.2), the other end of the yard, where the number of tracks reduces to two again, with speeds of 125/110-45, the line turns west, a former Reading line crosses from north to south, there are extra, none-electrified, tracks on the west side, MP 29, the freight bypass (now the NS New Castle Secondary) trailing back in from the east at the crossovers at Ragan (Newcastle Junction, MP 29.7), where the third track on the south side begins again and speeds become125/110-50 on tracks 3 & 2, and 110-50 on track 1, and the line passes a bridge over a street below, a spur on the west side, a bridge over a stream, a bridge over a river, a wide road bridge overhead, a road bridge overhead, a spur on the west side, a road bridge overhead, Newport, Stanton, where it turns west-southwest and an extra track on the south side starts, with multiple extra tracks on the northwest side and a road bridge overhead, the multiple crossovers at Davis (MP 38.4), where there is a brick tower on the east side, a wye on the southwest side with the line down the Delmarva Peninsula, and freight speeds drop to 30 mph, a wide road bridge overhead, a road bridge overhead, a wide road bridge overhead, a road bridge overhead just north of the station, and the passenger station with two side platforms at Newark (MP 38.9), where SEPTA service ends.