Electrification
The North Jersey Coast Line line is electrified north (railroad east) of Long Branch.
Electrified operation between Rahway and South Amboy began about 1936; the catenary poles from the junction in Rahway to South Amboy are the Pennsylvania Railroad design used on their 1930s projects.
Electrification was extended to Matawan in 1983, with catenary installed in the early 1980s. This was originally 11kV, increased to 12kV in 1978 along with Amtrak's New York-Washington electrification, with insulators capable of supporting 25kV.
Electrification at 12.5kV 60 Hz was extended to Long Branch in 1988, with catenary installed in 1986-88. As on the 1983 extension the insulators can handle 25kV. The catenary is self-adjusting (constant tensioning) with ambient temperature.
In 2002 the voltage from Matawan to Long Branch was changed from 12.5kV to 25 kV. As a result the Arrow III passenger cars can no longer run between those two points, since those trains can not run on two different voltages on one trip (the transformer voltage taps must be manually changed from alongside the MU).
The line remains electrified at 12kV 25 Hz AC north of Matawan. Three phase breaks segregate the different power sources, at the Morgan Creek Drawbridge, Laurel(Hazlet/Holmdel), and east of Bergen Place in Red Bank. As of January 2010, NJ Transit Customer Service says there are no plans to extend the electrification south of Long Branch.
| Name | Location | Comments |
|---|---|---|
| South Amboy Substation | 40°29′25″N 74°17′15″W / 40.49028°N 74.2875°W / 40.49028; -74.2875 (South Amboy Substation 48) | PRR Sub Number 48; supplied from Amtrak 138 kV 25 Hz network |
| Morgan (Cheesequake Creek) Drawbridge | 40°27′42″N 74°15′35″W / 40.461611°N 74.2598°W / 40.461611; -74.2598 (Morgan Draw Bridge Phase Break) | |
| Matawan Substation | 40°25′09″N 74°12′55″W / 40.4192°N 74.2154°W / 40.4192; -74.2154 (Matawan Substation) | |
| Matawan Phase Break | 40°25′05″N 74°12′36″W / 40.418°N 74.2100°W / 40.418; -74.2100 (Matawan Phase Break) | Boundary between 12 kV, 25 Hz and 25 kV, 60 Hz |
| Laurel Avenue Phase Break | 40°24′17″N 74°08′33″W / 40.4047°N 74.1425°W / 40.4047; -74.1425 (Laurel Avenue Phase Break) | |
| Red Bank Substation | 40°20′41″N 74°04′16″W / 40.3446°N 74.0712°W / 40.3446; -74.0712 (Red Bank Substation) | |
| Bergen Place Phase Break | 40°20′26″N 74°04′00″W / 40.3405°N 74.0667°W / 40.3405; -74.0667 (Bergen Place Phase Break) | |
| Long Branch Substation | 40°17′37″N 73°59′20″W / 40.2936°N 73.9888°W / 40.2936; -73.9888 (Long Branch Substation) |
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