The Duffey Company is a certified woman-owned
environmental and transportation consulting firm located in San Francisco
and San Diego, California. We have provided consulting services to public
and private clients since 1985, focusing on environmental analysis and impact
assessment, transportation planning, high-speed rail studies,
and mitigation monitoring for environmental compliance during construction
of large-scale infrastructure projects.
We are a small firm of highly experienced environmental and transportation
planners with extensive project management experience. We have enjoyed working
with many repeat clients throughout the twenty years we have been in business
and have worked on several
high-profile projects, including
the seismic retrofit of Golden Gate Bridge, transportation improvements
within the Golden Gate Park and five high speed rail projects. Our experienced
staff,
high-quality work products, competitive fees, and relationships
with regulatory agencies have built our strong reputation over the years.
