The New York State Thruway (I-87/I-287) southbound will have periodic nighttime lane closures in the vicinity of the Tarrytown toll plaza from 11 p.m. on Wednesday, Sept. 24 to 4 a.m. on Thursday, Sept 25. Tappan Zee Constructors, LLC (TZC) will conduct survey work that requires the closure of three toll plaza lanes. The remainder of the toll plaza lanes will remain open.
Additionally, three left hand lanes of The New York State Thruway (I-87/I-287) northbound near exit 9 in Tarrytown will be closed overnight for additional survey work from 11:59 p.m. on Thursday, Sept. 25 to 4:30 a.m. on Friday, Sept 26. One lane of traffic will remain open.
| Wednesday | Sept. 24 | Southbound Tarrytown toll plaza, alternate lanes | 11 p.m. to 4 a.m. |
| Thursday | Sept. 25 | Northbound left three lanes near exit 9 | 11:59 p.m. to 4:30 a.m. |
Ongoing Operations:
- Permanent pile installation, including pile driving between 7 a.m. and 7 p.m. on weekdays, and between noon and 7 p.m. on Saturdays
- Pile cap foundation construction
- Main span foundation construction
- Rockland landing construction
- Westchester landing construction
- River Road utility work
- Rockland trestle construction, including pile driving
- Survey inspections on existing bridge
- Support for river-based work from the Rockland trestle
