Color photo of Holland Tunnel plaque on N.Y.side, 1929. Digital photo taken 2010.
2012.002.0007
2012.002
Staff / Collected by
Collected by Staff
Museum Collections.
n/a
1929 - 2010
New York City/Holland Tunnel
Date: 1929-2010
Notes: Text on plaque (line for line) The Holland Tunnel Constructed Under the Joint Supervision Of New York State Bridge and Tunnel Commission and New Jersey Interstate Bridge and Tunnel Commission Ground Broken October 12, 1920 Tunnel Opened Nov. 12, 1927 Tunnel Completed 1929 Chief Engineers Clifford M. Holland Milton H. Freeman 1919-1924, Deceased October 27, 1924 1924-1925, Deceased March 24, 1925 Ole Singstad 1925-1929 Board of Consulting Engineers and Consultants William J. Wilgus Henry W. Hodge George L. Lucas John A. Bensel George L. Watson Frederick C. Noble William H. Burr George H. Brown Lewis B. Stillwell Edward A. Byrne Harvey Wiley Corbett Arthur C. Willard J. Vipond Davies Sullivan W. Jones Frank M. Williams Edward Levy, M.D. Principal Engineering Assistants Ralph Smillie Frederick A. Snyder Charles S. Gleim Miles I. Killmer Jesse B. Snow Arthur C. Davies Erling Owre John N. Dodd Principal Contractors Booth & Flinn, Ltd. B.F. Sturtevant Co. De Riso Construction Co. The Carleton Co., Inc. Rogers & Hagerty, Inc. William J. Fitzgerald Fischbach & Moore, Inc. General Electric Co. L. Del Turco & Bros., Inc. John Meehan & Son Leonard Paving Co., Inc. Standard Underground Cable Co. Holbrook, Cabot & Rollins Corp. George Siegler Co. Tunnel Data North Tunnel South Tunnel Westbound Traffic Eastbound Traffic Length of Tunnel 9250 Feet Length of Tunnel 9277 Feet Distance Between Portals 8957 Feet Distance Between Portals 8971 feet Length of Under River Portion 5480 Feet Distance between River Shafts 3374 Feet Minimum Width of Roadways 20 feet - Headroom 13 Feet 6 Inches External Diameter of Tunnel 29 Feet 6 Inches and 30 Feet 4 Inches Maximum of Grade 3.54 Per Cent Maximum Down Grade 4.06 Per Cent Maximum Depth From Mean High Water to Top of Tunnel 72 Feet Cast Iron and Steel Tunnel Lining 114,000 Tons Tunnel Ventilated by 84 Fans - In Four Ventilation Buildings Normal Maximum Ventilation 3,750,000 Cubic Feet of Fresh Air Per Minute MCMXXIX Original or Copy: Digital copy Status: OK Status By: dw Status Date: 2012-04-24