Route

NY 454

3 bridges carry it · 38 indexed contracts · 10 STIP entries name it

Bridges carrying NY 454 3

BINCarries / crossesCountyOwnerBuiltCondition
1056049
Bridge
NY454
over LIRR-MAIN LINE
SuffolkNYSDOT1950Fair
1056172
Bridge
NY454
over 908K908K07011066
SuffolkNYSDOT1953Fair
1073220
Bridge
NY454
over 27 27 07051206
SuffolkNYSDOT1989Good
Source: NYSDOT Bridges. Our copy checked Nov 1, 2026. Matched by the route at the start of the bridge's carried feature.

Programmed projects naming NY 454 10

  • NY454 OVER LIRR BRIDGE REPLACEMENT
    Programmed FFY 2027 $1.8M, FFY 2028 $64M · Suffolk
  • SUFFOLK COUNTY PAVEMENT MAINTENANCE PROGRAM
    Programmed FFY 2029 $15M · Suffolk
  • ASPHALT PAVEMENT RESURFACING
    Programmed FFY 2026 $31M · Suffolk
  • NY27 SSR ASPHALT PAVEMENT RESURFACING CARLETON AVE TO NY454
    Programmed FFY 2028 $11M · Suffolk
  • GUIDERAIL REHABILITATION
    Programmed FFY 2027 $5.0M · Nassau
  • CRACK SEALING CONTRACT
    Programmed FFY 2026 $11M · Nassau
  • ADA COMPLIANCE
    Programmed FFY 2026 $3.5M · Nassau
  • OVERHEAD SIGN STRUCTURE REPLACEMENT
    Programmed FFY 2026 $7.9M · Nassau
  • CRACK SEALING CONTRACT
    Programmed FFY 2026 $530k, FFY 2027 $10M · Nassau
  • CRACK SEALING CONTRACT
    Programmed FFY 2028 $11M · Nassau
Source: Statewide Transportation Improvement Program (STIP), updated Jun 23, 2026. Our copy checked Nov 1, 2026. Matched by route words in the title (RT 414, NY 414, Route 414).

Latest contracts on NY 454 38

  • D265578Awarded Dec 17, 2025
    PAVEMENT RESURFACING- NY Routes 878 and 454, Town of Hempstead and Islip, Village of Lawrence.
    NY 878, NY 454 · Hempstead (town), Islip (town) · Nassau and others · PIN 0810.65 · 193 sheets indexed
  • D265401Awarded Sep 12, 2025
    DRAINAGE IMPROVEMENTS - Various Locations in the Town of Islip.
    NY 454 · Islip (town) · Suffolk · PIN 0810.62 · 207 sheets indexed
  • D265428Awarded Jul 22, 20255 structures
    BRIDGE IMPROVEMENTS - Routes CR 19, 906A, NY 110 & 454, Towns of Brookhaven, Huntington, Islip & Smithtown.
    NY 454, NY 110, NY 906A · Smithtown (town), Brookhaven (town), Islip (town), Huntington (town) · Suffolk · PIN 0810.66 · 71 sheets indexed
  • D265147Awarded Jun 11, 2024
    PRIORITY SURFACE TREATMENT - Various Routes, Towns of Brookhaven, Hempstead, Islip & Smithtown.
    NY 454, NY 25, NY 106 · Hempstead (town), Islip (town), Smithtown (town), Brookhaven (town) · Nassau and others · PIN 0810.52 · 603 sheets indexed
  • D265047Awarded Mar 25, 2024
    GUIDE RAIL REHABILITATION - Routes 908G, 900B, NY 107 & NY 454, Various Locations.
    NY 107, NY 454, NY 908G, NY 900B, NY 27A · Oyster Bay (town), North Hempstead (town), Smithtown (town), Islip (town), Babylon (town), Huntington (town) · Nassau and others · PIN 0810.45 · 120 sheets indexed
  • D265112Awarded Jan 16, 2024
    Drainage - Maintenance /Replace - Various Locations in the in Various Towns
    NY 101, NY 454, NY 878, NY 908M · Nassau and others · PIN 0810.58 · 105 sheets indexed
  • D265012Awarded Jul 26, 2023
    HIGHWAY - SIGN - Various Towns and Locations for Installation and Repair
    NY 454, NY 347 · Nassau and others · PIN 0SGN.23 · 0 sheets indexed
  • D265027Awarded Jul 11, 2023
    MAINTENANCE - DAINAGE - Rt25A-SH8111, Rt454-SH9392, Rt110-SH794 - Town of Brookhaven, Huntington, Islip, Riverhead
    NY 110, NY 25A, NY 454 · Brookhaven (town), Huntington (town), Islip (town), Riverhead (town) · Suffolk · PIN 0810.33 · 140 sheets indexed
  • D264945Awarded Mar 9, 2023
    PAVEMENT RESURFACING: Northern State Parkway, Towns of Huntington and Smithtown
    NY 454 · Huntington (town), Smithtown (town) · Suffolk · PIN 0516.57 · 382 sheets indexed
  • D264526Awarded Jul 20, 2021
    Crack Sealing and Joint Overlay Repairs at Various Locations
    NY 101, NY 102, NY 105, NY 106, NY 107, NY 24, NY 25, NY 347, NY 454 · Flower Hill (village), North Hempstead (town), Oyster Bay (town), Brookville (village), Upper Brookville (village), Old Brookville (village), Huntington (town), Smithtown (town), Islip (town), Islandia (village) · Nassau and others · PIN 0810.24.101 · 0 sheets indexed
Source: NYSDOT Highway Record Plans, updated Jun 26, 2026. Our copy checked Nov 1, 2026.

Road inventory and traffic

Segment facts (lanes, functional class, AADT by segment) are in NYSDOT's viewers, which have no documented public data service yet.