AMERICAN SOCIETY OF CIVIL ENGINEERS

INSTITUTED 1852


TRANSACTIONS

Paper No. 1151


THE NEW YORK TUNNEL EXTENSION OF THE
PENNSYLVANIA RAILROAD.

THE NORTH RIVER DIVISION.

BY CHARLES M. JACOBS, M. AM. SOC. C. E.




These observations are written with the purpose of outlining briefly, as
far as the writer was concerned, the evolution of the scheme of bringing
the Pennsylvania Railroad and the Long Island Railroad into New York
City, and also, as Chief Engineer of the North River Division of the New
York Tunnel Extension of the Pennsylvania Railroad, to record in a
general way some of the leading features of the work on this division,
which is that portion of the work extending from the east line of Ninth
Avenue, New York City, to the Hackensack Portal on the westerly side of
the Palisades, as an introduction to the papers by the Chief Assistant
Engineer and the Resident Engineers describing in detail the work as