Contracts
NYSDOT's highway record-plan index: 32,854 contracts since 1900, newest award first.
Contracts whose index row names NY 231.
- D264714Awarded Mar 14, 2022Priority Surface Treatment at Various Locations in the Towns of Babylon, Islip & Smithtown.NY 25A, NY 908M, NY 231, NY 111, NY 906D, NY 906C, NY 908K · Babylon (town), Islip (town), Smithtown (town) · Suffolk · PIN 0810.41 · 270 sheets indexed
- D264325Awarded Nov 2, 2020Clean, Repair or Replace Drainage Structures to Restore Original Functionality at Various LocationsNY 25, NY 25A, NY 27, NY 27A, NY 102, NY 110, NY 111, NY 231 · Islip (town), Riverhead (town), Oyster Bay (town), Huntington (town), Hempstead (town), North Hempstead (town), Smithtown (town), Garden City (village) · Nassau and others · PIN 0810.04 · 123 sheets indexed
- D264139Awarded Mar 16, 2020Concrete Pavement Repairs on NY 231 in the Towns of Babylon & Huntington.NY 231 · Babylon (town), Huntington (town) · Suffolk · PIN 0011.45.101 · 0 sheets indexed
- D263866Awarded Mar 5, 2019Overhead Sign Structure Replacement, Towns of Babylon, Brookhaven and Islip.NY 110, NY 231, NY 27 · Babylon (town), Islip (town), Brookhaven (town) · Suffolk · PIN 0809.93 · 141 sheets indexed
- D263477Awarded Oct 16, 2017NYS Rte 231 Safety Improvements at Northern State Parkway Interchange in the Town of Huntington.NY 231 · Babylon (town), Huntington (town) · Suffolk · PIN 0011.43 · 550 sheets indexed
- Bridge Painting and Minor Steel Repairs, Towns of Babylon, Huntington and Islip.I-495, NY 111, NY 231, NY 27 · Huntington (town), Smithtown (town), Islip (town), Islandia (village), Brookhaven (town), Village Of The Branch (village), Babylon (village), Brightwaters (village) · Suffolk · PIN 0809.65 · 42 sheets indexed
- D263436Awarded Jul 11, 2017Concrete Pavement Repairs 4.5 Miles on NY Route 231 in the Towns of Babylon & HuntingtonNY 231 · Babylon (town) · Suffolk · PIN 0011.44 · 0 sheets indexed
- D263039Awarded Jan 26, 2016Sign Structure Repair ContractNY 27, I-495, NY 109, NY 231 · Lake Success (village), North Hempstead (town), North Hills (village), Massapequa Park (village), Oyster Bay (town), Huntington (town), Smithtown (town), Islip (town), Islandia (village), Brookhaven (town), Babylon (town), Brightwaters (village), Southampton (town) · Nassau and others · PIN 0809.47 · 179 sheets indexed
- D262965Awarded Sep 11, 2015Preventive Maintenance - Pavement (asphalt pavement, markings, traffic signal detector loops and sidewalk curb ramps).NY 106, NY 25A, NY 231 · Oyster Bay (town), Brookville (village), Muttontown (village), North Hempstead (town), Russell Gardens (village), Lake Success (village), Flower Hill (village), Roslyn (village), East Hills (village), Upper Brookville (village), Babylon (town), Huntington (town), Brookhaven (town), Riverhead (town) · Nassau and others · PIN 0809.56(PE) · 0 sheets indexed
- D261612Awarded Mar 27, 2011Rehabilitation of recharge basins at various locations.I-495, NY 110, NY 231 · Huntington (town), Babylon (town), Smithtown (town), Islip (town) · Suffolk · PIN 0808.66.301 · 47 sheets indexed
- D261512Awarded Sep 3, 2010Asphalt Concrete Milling and Resurfacing and Install Sidewalk Curb Ramps on Routes 27A, 231, 111, 907E, 908E, 900D in the Towns of Babylon, Oyster Bay, Islip, Hempstead & North Hempstead and Villages of Babylon, Lindenhurst, & East Hills.NY 27A, NY 111, NY 231 · Oyster Bay (town), Freeport (village), Hempstead (town), Islip (town), Smithtown (town), Village Of The Branch (village), Babylon (village), Lindenhurst (village) · Nassau and others · PIN 0808.69
- D261282Awarded Mar 4, 2010Concrete Pavement Repairs on the Sagtikos Parkway (RT. 908 K) & RT. 231 in the Towns of Baylon, Huntington & IslipNY 231 · Islip (town), Smithtown (town), Babylon (village), Huntington (town) · Suffolk · PIN 0808.62.301
- D260678Awarded Apr 23, 2008Bikeway and Pedestrian Improvements, Rt. 24, 25, 25A, 27, 27 NSR, 231 and 454, Towns of Babylon, East Hampton, Islip, Riverhead, Shelter Island, Smithtown, Southampton and Southold.NY 114, NY 231, NY 24, NY 25, NY 27, NY 347, NY 454 · Sag Harbor (village), Southampton (town), North Haven (village), Shelter Island (town), Islip (town), Babylon (village), Southold (town), Greenport (village), Brightwaters (village), East Hampton (village), Smithtown (town), Islandia (village) · Suffolk · PIN 0808.00 · 66 sheets indexed
- D260549Awarded Jul 12, 2007Traffic Signal Requirements at Various LocationsNY 231 · Babylon (town), Huntington (town) · Nassau and others · PIN 0807.84 · 36 sheets indexed
- D260416Awarded May 31, 2007Preventive Maintenance - Pavement Repair and Mill and Fill, Southern State Parkway (Eastbound and Westbound), from Rt. 110 (Exit 32) to Sagtikos State Parkway (Exit 41A), Towns of Babylon and Islip.NY 231 · Islip (town), Smithtown (town), Babylon (village) · Suffolk · PIN 0534.70 · 59 sheets indexed
- D260061Awarded Mar 23, 2006C.C.P. Repairs and Crack Sealing at various locations, RT. 231, 908K, 908G, 908M, 27;I-495, NY 231, NY 27 · Smithtown (town), Islip (town), Huntington (town), Babylon (village) · Suffolk · PIN 0807.65
- D259998Awarded Nov 2, 2005DRAINAGE PREVENTATIVE MAINTENANCE, RT. 27, 114, 27A, 231, 25, 108, 25A;NY 27, NY 114, NY 27A, NY 231, NY 25, NY 108, NY 25A · Suffolk · PIN 0807.40
- D259521Awarded Mar 29, 2004BRIDGE PAINTING,;RT. 231, I-495, 27;NY 231, NY 27 · Islip (town), Babylon (village), Brookhaven (town), Southampton (town) · Suffolk · PIN 0807.18
- D259010Awarded Jul 2, 2002SIGN STRUCTURE REPLACEMENTS,;RTS. 231, 25, 27, 27A, I-495;NY 231, NY 25, NY 27, NY 27A · Islip (town), Babylon (village), Riverhead (town), Brookhaven (town) · Suffolk · PIN 0806.91 · 57 sheets indexed
- INTERSECTION SAFETY IMPROVEMENTS,;RT. I-495, 231;I-495, NY 231 · Huntington (town), Smithtown (town), Islip (town), Babylon (town) · Suffolk · PIN 0228.94 · 204 sheets indexed
- BRIDGES REHABS.;RTS. 25, 231, C.R. 67;NY 135, NY 231, NY 25, NY 27 · Oyster Bay (town), Islip (town), Babylon (village), Brookhaven (town), Riverhead (town) · Nassau and others · PIN 0804.92 · 169 sheets indexed
- D257910Awarded Feb 23, 1999EXIT 51 SOUTH SERVICE RD. TO HALF HOLLOW RD.,;CONSTRUCT DRAINAGE LINE,;LIE;RT. I-495;NY 231 · Babylon (town), Huntington (town) · Suffolk · PIN 0229.01 · 85 sheets indexed
- D256517Awarded Feb 14, 1997RT. 27A TO SSP,;@ SEAMANS NECK RD. & @ LIE,;LANDSCAPING & WOOD FENCING,;RTS. 231, 135 & 908;NY 135, NY 231 · Hempstead (town), Oyster Bay (town), Islip (town), Smithtown (town), Babylon (village) · Nassau and others · PIN 0050.25 · 23 sheets indexed
- BRIDGES OVER RT. 27,;BRIDGE REHAB.,;RT. 231;NY 231 · Babylon (town), Huntington (town) · Suffolk · PIN 0804.90 · 76 sheets indexed
- D256317Awarded Mar 31, 1995RT. 109 TO BELMONT AVE. &;HUNTER AVE. TO HALE RD.,;A.C. RESURFACING & MISC.,;RTS. 27 & 231;NY 231, NY 27 · Islip (town), Babylon (village) · Suffolk · PIN 0058.70 · 62 sheets indexed
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Source: NYSDOT Highway Record Plans, updated Jun 26, 2026. Our copy checked Nov 2, 2026. The index lags recent contracts. Download these as CSV