Robert J. Bornholdt

Senior Traffic Engineer

Mr. Bornholdt is an experienced traffic engineer with a fifty-year record of success in all phases of traffic engineering and transportation planning. His experience includes work for municipalities and public agencies including the Suffolk County Department of Public Works, where he was Director of Traffic Safety. He also worked for the Nassau County Department of Public Works.

Mr. Bornholdt also has experience working in the private sector where he was responsible for preparing, designing and supervising data collection activities for traffic engineering functions such as Work zone control plans, traffic signal designs, pavement marking designs, geometric designs, traffic impact studies, trip generation, capacity analyses, accident analyses, construction management, construction inspection, etc.

In addition to his responsibilities to run the Department of Traffic Safety for Suffolk County Department of Public Works, he was required to exercise professional judgment regarding technical decisions in directing studies of highway conditions, capacity, volume, speeds, and traffic patterns, studies of accident causes at high incidence locations, evaluating data provided by engineers and recommending highway and intersection modifications and placement of additional traffic controls, preparing plans, specifications, and estimates for the installation of traffic control devices, establishing and maintaining effective working relationships with elected officials, staff & the public, adopting new advances in traffic safety methods and equipment for the Suffolk County Road System, such as leading Pedestrian Intervals, LED illuminated signals and wet reflective markings, and preparing annual budget and staffing requirements.

As a traffic engineer, for Nassau County Department of Public Works, Mr. Bornholdt designed traffic signal installations and pavement markings throughout the county.

Mr. Bornholdt was tasked with conduction analyses of toll collector requirements for the Atlantic City Expressway in New Jersey and Newport Bridge in Rhode Island and assisted in a project to site high-speed rail stations in New Jersey.

At Suffolk Community College, he was an Adjunct Faculty Member.


Institute of Transportation Engineers (Member)

Town of Islip Traffic Safety Board


Oswego State University, Nassau Community College, Suffolk Community College

Northwestern University – Microcomputers in Transportation

Federal Highway Administration – Urban Transportation Planning System (UTPS)

New York State Department of Transportation – Highway Capacity Manual


1963 to 1969 New York State Army National Guard – Honorable Discharge