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W-Trans Professional Staff

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Our Philosophy
Professional Staff
Dalene Whitlock
Stephen Weinberger
Zachary Matley
Allan Tilton
Mary Jo Yung
Don Costa
Josh Abrams
Chris Helmer

Stephen J. Weinberger, P.E., P.T.O.E.
Principal and Co-Owner


Stephen J. Weinberger Mr. Weinberger has worked as a transportation consultant in Northern California since 1982. His experience covers the spectrum from transportation planning to traffic engineering design, livable street design and pedestrian planning. Mr. Weinberger is on the forefront as an expert on pedestrian safety, operations, design and advocacy in California. He has managed a large number of corridor studies that focused on developing measures to transform vehicle-dominated arterials to systems that provide more livable conditions for all users by incorporating traffic calming schemes and traffic control systems that favor local traffic, bicyclists and pedestrians.

  • Professional Engineer in California: Civil Engineer – Certificate No. 43159
  • Professional Engineer in California: Traffic Engineer – Certificate No. 1440
  • Professional Traffic Operations Engineer – Certificate No. 342
  • B.S. in Civil Engineering – University of California, Berkeley, 1982
  • M.S. in Transportation Engineering – University of California, Berkeley, 1984
  • Institute of Transportation Engineers (ITE) – Member
  • ITE Transportation Safety Council
  • ITE Pedestrian and Bicycle Task Force
  • Association of Pedestrian and Bicycle Professionals – Member
Steve is our resident chef and enjoys creating dishes by the seat of his pants. He is also an avid Cal Bears and Duke University (his wife's alma mater) athletics fan as well as just about any other sport. Steve was born and raised in the Bay Area and currently resides in Sebastopol with his wife and their two children.


© 2004 Whitlock & Weinberger Transportation, Inc.