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          specializing in Transportation and Traffic Engineering!

About us

Since its inception in 1984, Horner & Canter Associates has expanded its scope and staff to provide a full array of traffic engineering and transportation planning services.  Our licensed professional engineers have had experience in virtually every facet of traffic and transportation including the environmental area of air quality assessment.  HCA has been recognized as traffic and transportation experts before hundreds of planning and zoning boards/commissions in New Jersey and Pennsylvania, and have managed projects in these and other states along the East Coast.

HCA offers an experienced and capable professional and technical support staff including project engineers, designers, technicians and traffic enumerators. Committed to excellence, HCA maintains state-of-the-art technology including a networked CAD design department, traffic count program, and the most current analysis software for traffic engineering applications.

HCA is unique in that it manages projects of all sizes for both public and private clients, while still adhering to a "small firm philosophy" of placing every project under the direct supervision of one of our principal engineers.


David H. Horner, P.E., PTOE - President
A transportation engineer since 1987, Mr. Horner has overseen the conduct of access studies, traffic impact studies, signal warrant analyses, traffic signal designs, parking studies, corridor- and municipal-wide traffic studies, and access permit applications. He has served in the role of Project Manager for these types of projects, primarily throughout eastern Pennsylvania and New Jersey, and has been recognized as an expert witness before numerous planning commissions, boards of supervisors, planning and zoning boards.

Mr. Horner opened the Pennsylvania office for HCA in 1997. In 1998 he became a Principal in the firm and has been Managing Partner of the firm since 2003. Mr. Horner is a Professional Engineer in Pennsylvania, New Jersey and Florida. He received his B.S. in Civil Engineering from the University of Delaware and is a Board Certified Professional Traffic Operations Engineer (PTOE). He is a member of the American Society of Civil Engineers (ASCE) and the Institute of Transportation Engineers (ITE). Mr. Horner has also been retained by the New Jersey Department Of Transportation (NJDOT)as a traffic engineering expert for numerous eminent domain cases.


Mr. Keene has been with Hca since 2000 and currently serves as the firm's Principal Designer. He has participated in various design projects and has significant knowledge in traffic engineering design aspects. Mr. Keene is familiar with both the New Jersey and Pennsylvania Department of Transportations’ design standards. Mr. Keene has extensive CADD experience with Microstation and AUTOCAD, and design software such as AutoTurn and Visual lighting. Under the direction of a professional engineer, Mr. Keene has completed designs of signage and striping, traffic control, and right-of-way plans as well traffic signal and electrical layouts, conceptual plans, and construction cost estimates.Since arriving at Horner & Canter Associates, Mr. Keene has supervised the drafting department, as well as provided field support regarding on-site measurements and preliminary surveys. He is a member of International Municipal Signal Association (IMSA).

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