|
|
Article: Easing Tappan Zee Bridge congestion: a movable barrier system helps solve the problem.
- Article from:
- Public Works
- Article date:
- January 1, 1994
- Author:
CopyrightCOPYRIGHT 1994 Hanley-Wood, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
THE 3.03-mile long Tappan Zee Bridge is a major link in the 641-mile New York State Thruway system, spanning the Hudson River 13 miles north of New York City to connect Rockland and Westchester counties. Built as a six-lane bridge in the early 1950s with an estimated capacity of 100,000 vehicles per day, the bridge has seen ever increasing traffic with the growth of Rockland and Westchester counties. It was reconfigured for seven lanes in the mid-1980s by removing the 10-ft median and replacing it with a fixed concrete median barrier. The bridge now averages 113,000 vehicles a day.
To help handle peak traffic demands, the Thruway Authority has installed a movable ...