State & County Transportation Resources

Traffic Control Devices on New York State Roads (Jericho Turnpike, Route 25A, New York Avenue, Northern State Parkway and LIE) are designed, installed, and maintained by the NYS State Department of Transportation (NYSDOT). Phone numbers: 

• Existing Signals, Signs, and Pavement Markings
  Traffic Signal Maintenance: (631) 724-4040
  Road/Sign Maintenance: (631) 420-4270

• Requests of New Signals, Signs, and Markings
  Signal/Sign Requests: (631) 952-6020

The Suffolk County Department of Public Works (SCDPW) is responsible for the design and installation of traffic signals, pavement markings, and warning signs on Suffolk County Roads (Pulaski Road, Town Line Road, Elwood Road, Park Avenue and West Shore Road). SCDPW Phone: (631) 852-4081.