NY25 Intersection Improvement at Coram/Mt. Sinai Rd.
Project ID No. 004243 , Contract Number D265655
Description
This project proposes to add a left turn lane on the southbound Coram Mount Sinal Road at the intersection of NY25 (Middle Country Road) in the Town of Brookhaven, Suffolk County. The work includes shifting of the curb line on the west side of southbound Coram Mount Sinai Road by approximately 12 feet, new striping for the southbound Right Turn, Through and Left Turn lanes, constructing new sidewalk, readjusting crosswalks, and rebuilding/readjusting the signal. This project also proposes to add a through lane on the eastbound direction of NY25 at this intersection, which involves widening of NY25 and restriping.
Project Overview
Project Status
- The project has been Under Construction.
- The Bid Opening was on 01/22/2026
Project Schedule
| Award of Contract | Original Contract Completion Date* | Estimated Substantial Completion Date* | Construction Schedule Variance from Contract Award** |
|---|---|---|---|
| 02/25/2026 | 06/30/2027 | 05/31/2027 |
|
**Schedule Variance Key:
● Red - Current Schedule Variance is > 10% of Original Completion
● Yellow - Current Schedule Variance is > 5% and <=10% of Original Completion
● Green - Current Schedule Variance is within 5% of Original Completion
Construction Costs
| Contract Award Cost | Approved Cost Changes | Current Construction Contract Cost | Cost Variance of Construction Contract** |
|---|---|---|---|
| $3,529,256 | $111,896 | $3,641,152 |
|
**Cost Variance Key:
● Red - Current Construction Costs are > 10% of Contract Award Cost
● Yellow - Current Construction Costs > 5% and <=10% of Contract Award Cost
● Green - Current Construction Costs are within 5% of Contract Award Cost
This project receives funding from the following sources:
Federal: Yes
State: Yes
Local: No
*Project Schedule Definitions:
Original Contract Completion Date - This is a contractual date,at the time the Contractor is Awarded the contract, representing when the Contractor is obligated to complete all of the work required in the contract and will no longer have a presence within the highway Right-of-Way.
Estimated Substantial Completion Date - This is the day the public (including vehicles and pedestrians) has full and unrestricted use and benefit of the facilities both from the operational and safety standpoint.
Location
This project is located in the LONG ISLAND region and includes the following:
Counties
SUFFOLK
Towns
BROOKHAVEN
Legislative District:
This project falls within the geographical boundaries of the following legislative districts:
U.S. Senators
Schumer, Charles E.
Gillibrand, Kirsten
U.S. Congressional District(s)
1st Congressional District (Nick LaLota)
State Senatorial District(s)
3rd Senatorial District (Dean Murray)
State Assembly District(s)
004th Assembly District (Rebecca Kassay)
Statewide Transportation Improvement Program (STIP)
The Statewide Transportation Improvement Program (STIP) is a list of every project in New York State for which Federal funding is proposed to be used and that is scheduled to begin during the designated three Federal fiscal year time frame. To review the STIP Project List by Region please see the STIP Project Report.
Contact Us:
If you have questions about this project, please contact us:
250 Veterans Memorial Highway
Hauppauge, NY 11788
Phone: 631-952-6929
Email: r10-rpic@dot.ny.gov