AVOID Union Avenue week of 8/4: Sidewalk Construction Update 
Below is the updated traffic advisories for the Union Avenue Sidewalk Construction for the week of 8/4/2025.
The Union Avenue sidewalk construction street closures continue between West Street and Mamaroneck Avenue, in the immediate area of the Harrison High School.
**Tuesday & Wednesday, 8/5/25 & 8/6/25 from 7:30 a.m. to 3:30 p.m., Union Ave. will be closed between West St. and the Harrison High School entrance. Union Ave. residents in the construction zone and High School traffic will be able to access that area by Mamaroneck Ave.
**Thursday & Friday, 8/7/2025 & 8/8/2025 from 7:30 a.m. to 3:30 p.m., Union Ave. will be closed between the Harrison High School entrance to Mamaroneck Ave. Union Ave. residents in the construction zone and High School traffic will be able to access that area by West St.
Follow posted detours and/or avoid the area. It's strongly recommended to take alternate routes.
Address/Location
Harrison, NY Police Department
650 North St
Harrison, NY 10528
Contact
Emergency: 9-1-1
Non-emergencies: 914-967-5111