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Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 - The New York Tunnel Extension of the Pennsylvania Railroad. - Meadows Division and Harrison Transfer Yard. Paper No. 1153 by E. B. Temple
page 8 of 13 (61%)

Bridge of 11 spans over proposed yard tracks, Erie Railroad;

County Road;

Secaucus Road;

New York, Susquehanna and Western Railroad;

Northern Railroad of New Jersey.

The alignment for this distance consists of 3.57 miles of tangent and
three curves, two of which are 0° 30' each, one of the latter being at
the western end of the Division, and the other adjoining Snake Hill; the
third is a regular curve of 1° 54' on the east-bound track, and a
compound curve with a maximum of 2° on the west-bound track, the
variation being due to the track spacing of 37 ft. from center to center
in the Bergen Hill Tunnels, while on the Meadows Division it is 13 ft.
from center to center.

The profile was adopted to give 18 ft. of clearance from the under side
of the bridges to the top of the rail of the Erie Railroad branches, 21
ft. to the top of the rail of its main line, 19 ft. to the top of the
rail of the Delaware, Lackawanna and Western Railroad, and a clearance
of 24 ft. above high water in the Hackensack River. With the exception
of that portion of the line adjoining the Bergen Hill Tunnels, where it
was necessary to continue the 1.3% grade up to the bridge over the
Northern Railroad of New Jersey, and the east-bound ascending grade of
0.5% from the Harrison platforms to the bridge over the New York
Division tracks, the grades do not exceed 0.3 per cent.
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