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Marni Heffron, P.E., P.T.O.E. -
Principal & President
marni@hefftrans.com
206-523-3939 fax 206-523-4949
Marni founded Heffron Transportation, Inc. in 1995 and has
provided transportation planning and engineering consulting
since 1985. She leads the firm’s strategic and policy planning
practice and also oversees major transportation studies. Marni
works on all types of projects including planning and
engineering for development projects, port facilities, freight
and intermodal transportation, area-wide transportation plans,
and roadway corridors. She often assists design teams with
determining street configurations, site layouts, pedestrian
improvements, parking needs, and transportation management
programs. Marni is known as one of the region’s foremost
freight experts and is called upon to support negotiations and
mediations
for transportation-related disputes.
Marni is a Professional Civil Engineer licensed in Washington
State and a certified Professional Traffic Operations
Engineer. She holds a Bachelor of Science Degree
in Civil Engineering from the University of Washington where
she focused on transportation. Marni is a member of the
Institute of Transportation Engineers, the Transportation
Research Board, and the Women's Transportation Seminar. |
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