Roadway Improvements Continue Next Week Overnight Lane Closures On New York State Thruway (I-87/I-287)
Press Release September 6, 2019 No Comments

Roadway Improvements Continue Next Week Overnight Lane Closures On New York State Thruway (I-87/I-287)

September 6, 2019

Tappan Zee Constructors, LLC (TZC) is scheduled to continue realigning lane control signage on New York State Thruway (I-87/I-287) traffic lanes on the Governor Mario M. Cuomo Bridge tonight, requiring overnight lane closures tonight on the bridge.

Roadway improvements also will require overnight lane closures on the Thruway near exit 9 (Tarrytown – Sleepy Hollow – US Route 9) next week. Specific lane closure times are listed in the chart below.


Fri. 9/6 10 p.m. – Two left lanes
11:59 p.m. – Three left lanes
6 a.m., Sat. 9/7 Northbound (I-87/I-287)
across the bridge
Mon. 9/9 8 p.m. – Two left lanes
11 p.m. – Three left lanes
5 a.m., Tues. 9/10 Southbound
near exit 9
Tues. 9/10 9 p.m. – Two right lanes
11 p.m. – Three right lanes
6 a.m., Wed. 9/11 Northbound
near exit 9
Wed. 9/11 9 p.m. – Two right lanes
11:59 p.m. – Three right lanes
6 a.m., Thur. 9/12 Northbound
near exit 9
Thur. 9/12 10 p.m. – Two left lanes
11:59 p.m. – Three left lanes
6 a.m., Fri. 9/13 Northbound
near exit 9
Fri. 9/13 10 p.m. – Two left lanes
11:59 p.m. – Three left lanes
6 a.m., Sat. 9/14 Northbound
near exit 9

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 and fencing.

At the Westchester Landing, construction continues at the terminus site walls, storage building and visitor pavilion. Operations include paving, installing electrical wiring, roofing, concrete masonry units, plumbing, rebar, and pouring concrete. Additional flatwork for the shared bicycle/pedestrian side path is also taking place along Route 9.

At the Rockland Landing, construction of a new intersection at Hillside Avenue and Route 9W — which will provide access to the Thruway in both directions — continues.

Additional work includes:

  • Fencing, signage, and drainage work near bridge landings
  • Area preparation at the New York State Thruway Maintenance and New York State Police facilities
  • Dismantling of the old bridge’s foundations, weather permitting

Boater Safety
Partial closures of the main navigation channel may be necessary, as TZC continues to dismantle the Tappan Zee Bridge’s foundations.

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; on the project’s Twitter feed (@NewNYBridge); 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.