Gantry Installation Scheduled Within Interchange 10 In South Nyack Operation Will Temporarily Impact Local Traffic
Press Release February 21, 2020 No Comments

Gantry Installation Scheduled Within Interchange 10 In South Nyack Operation Will Temporarily Impact Local Traffic

February 21, 2020

Construction crews are scheduled to install a new overhead sign gantry within Interchange 10 in South Nyack next week. Weather permitting, the work will begin on Wednesday, Feb. 26, and conclude on Friday, Feb. 28, resulting in traffic delays in the immediate area between 10 a.m. and 3 p.m.

During this period, motorists should expect traffic approaching the New York State Thruway on-ramps to be reduced to a single lane controlled by flag persons, along with periodic, 15-minute traffic stops. Multiple stops will be required to safely install the new gantry over the roadway and remove an existing gantry.

Beginning Monday morning, Variable Message Signs will advise motorists of the upcoming operation.

Bicycle/Pedestrian Path
Construction of the shared bicycle and pedestrian path continues.

On the bridge, TZC will continue to work on the northern side of the westbound span for the path’s overlooks.

At the Westchester Landing, construction continues at the visitor pavilion. Operations include installing glass, lighting, pavers and concrete curb.

At the Rockland Landing, construction continues at the welcome center, along the side path, and by the Exit 10 off-ramp from the northbound Thruway.

Additional work includes:

  • Installing fencing near bridge landings
  • Dismantling of the old bridge’s foundations, weather permitting
  • On-going testing of the bridge’s aesthetic lighting system

Boater Safety
Partial closures of the main navigation channel may be necessary.

All vessels should avoid the perimeter of all buoys and stay within the navigation channel as demolition operations continue this coming week.

Cranes, barges and other equipment may occupy parts of the channel during this time. Boaters are strongly encouraged to avoid the project site during the closures and to avoid the Regulated Navigation Areas, located east and west of the main channel.

Times and dates of the potential, partial closures are subject to change and will appear in the U.S. Coast Guard’s weekly Notice to Mariners and broadcast on Marine Radio Channel 22A. Tappan Zee Constructors can be contacted via Marine Radio Channel 16 for assistance.

Rockland and Westchester marine units continue to patrol the project site.

More boater safety information, including the U.S. Coast Guard Notice to Mariners, a construction site map and GPS-tracked construction vessel locations, can be found at

The New York State Thruway Authority provides this information as a public service. Any reliance you place on such information is therefore strictly at your own risk. Nothing in these guidelines shall supersede the actual construction conditions, and regulations set forth by the U.S. Coast Guard.

All lane closures are subject to change due to traffic, weather or emergency situations. Please visit for real-time information regarding traffic conditions.