Red Bank to Bay Head

From the junction at Bank (MP 15.8), where the Southern Secondary heads south and the Coast Line turns east-southeast, a 60 mph passenger speed restriction, from MP 16.2 to MP 17.4, and the passenger station (two high-level side platforms with umbrella sheds, depot to the east) at Red Bank (MP 16.4), the NJ Coast Line turns just east of due south, double track, current-of-traffic (Rule 251), Automatic Block Signals, AC overhead electrification, maximum speed 80 mph for passenger trains and 30 mph for freight trains, past a grade crossing at the south end of the station, the resumption of full line speeds at MP 16.4, four tracks curving away south into a Maintenance-of-Way depot, a grade crossing, a grade crossing at an intersection to the south, an angled grade crossing, Intermediate Signals, extra track to the south trailing in, a grade crossing, a street to the south, an angled grade crossing, Intermediate Signals at MP 18.8, and the passenger station (low-level island platform) at Little Silver (MP 18.8), where it turns southeast.

There is a grade crossing, a causeway across water, a grade crossing, the signaled through-truss movable bridge (35 mph passenger speed on the bridge), within a deck girder bridge over an inlet at Oceanport (MP 19.9), a grade crossing, an angled grade crossing, a grade crossing at a driveway, the occasional passenger station at Monmouth Park (MP 20.5), signals, a bridge over water, four grade crossings, a 70 mph passenger speed restriction on Track 1, and 60 mph on Track 2, from MP 21.7 to MP 22.0, where there was once a flat crossing with another erstwhile Jersey Central line to Highlands, signals and crossovers at Branchport (MP 22.0). a turn south, with a 25/10 mph speed restriction from MP 22.0 to MP 22.9, past an angled grade crossing, signals, crossovers and the passenger station (high-level island platform with umbrella shed) at Long Branch (MP 22.2), where there are three extra tracks to the west and two extra tracks to the east, after which full line speeds prevail.

The line heads just west of due south, following the Atlantic Ocean coast, past a grade crossing, a bridge over a road, two grade crossings, a road to the west, a bridge over drainage, crossovers at Bath (MP 23.0), where current-of-traffic (Rule 251) replaces Rule 261 operation, West End, a 50 mph passenger speed restriction, from MP 23.2 to MP 23.4, the passenger station (two high-level side platforms, depot to the east) at Elberon (MP 24.6), start of a 40/25 mph speed restriction, a road bridge overhead, five grade crossings, Deal, a bridge over a road, a grade crossing, the passenger station (two low-level side platforms, depot to the east) at Allenhurst (MP 26.6), two grade crossings, a bridge over drainage, a grade crossing, a bridge (causeway) over an inlet, a street to the west, North Asbury Park, nine grade crossings, of which one is Asbury Avenue grade crossing (MP 27.8), start of a 25 mph speed restriction for northbound trains, ending at the passenger station (two high-level side platforms) at Asbury Park (MP 28.1), where 40/25 mph resumes, followed by three grade crossings and two extra tracks to the west..

Rule 261, ABS,  starts on Track 1 (only) at Sand (MP 28.9), where the freight speed drops to 15 mph on Track 1, past a street to the west, a grade crossing, the passenger station (two low-level side platforms) at Bradley Beach (MP 29.0), a grade crossing at the south end of the station, two grade crossings, a road bridge overhead, the signaled through-truss movable bridge (25/10 on the bridge) within a deck girder over an inlet at Shark (MP 30.4), with a concrete road bridge to the west, where double track, current-of-traffic (Rule 251), ABS, resumes, maximum passenger speed 55 mph on Track 2 to MP 31.2, but otherwise full line speeds prevail, a street to the west (not coming off the road bridge), and a grade crossing.

There is a passenger station (two low-level side platforms with umbrella sheds) at Belmar (MP 30.7), just south of the bridge, a grade crossing south of the station, two grade crossings, extra track to the west, nine grade crossings, with no street to the west, a passenger station (two low-level side platforms) at Spring Lake, a grade crossing, a closed grade crossing, a bridge over a stream, three grade crossings, a bridge over an inlet, four grade crossings, the passenger station (two low-level side platforms) at Manasquan (MP 34.9), where an erstwhile PRR line once curved away west and the Coast Line turns south-southeast, past a bridge over an inlet, a grade crossing, and a bridge over an inlet, and then south-southwest past a grade crossing, the single track signaled deck-girder bascule movable bridge (40/30 mph on the bridge) within a causeway over an inlet at Brielle (MP 36.0), where a 40/25 mph speed restriction on the resumed double track, current-of-traffic (Rule 251) begins, past a grade crossing and the passenger station (two high-level side platforms with umbrella sheds) at Point Pleasant Beach (MP 36.9).

The line turns south again, past a grade crossing at the south end of the station, a street to the west, three grade crossings, one of which is at Ocean House Road (MP 37.8), with 10 mph speed restriction approaching from the south, the street to the west turning away, a grade crossing at Osborne Avenue (MP 38), with 5 mph speed restriction starts, and the handthrow crossover and passenger station (low-level platform and shelter on the east side) at Bay Head (MP 38.0), where NJT service ends, and a grade crossing at the south end of the station, to the NJT yard at Bay Head Yard (MP 38.1), whence an erstwhile PRR line once continued just west of due south, along the barrier island, to Seaside Park.