University of Colorado, Boulder,
Colorado, B.S. Environmental
Northwestern University, ITE Traffic
Institute, Certificate in Street
System Design 1975
University, Certificate in Traffic
Professional Engineer, Colorado
Registration No. 34193
American Institute of Certified
Registration No. 6583
American Institute of Certified
American Planning Association
Institute of Transportation
American Society of
TRANSPORTATION ENGINEER/PLANNER/PROJECT MANAGER
WITH 30 YEARS OF PUBLIC AGENCY AND CONSULTING
EXPERIENCE IN TRAFFIC ENGINEERING, ENVIRONMENTAL
ANALYSIS, HIGHWAY SYSTEMS PLANNING, TRANSIT PLANNING
AND SITE DEVELOPMENT MANAGEMENT. MR. ALDRIDGE IS AN
EXPERT IN SOLVING DIFFICULT TRANSPORTATION PROBLEMS
WITH INNOVATIVE AND CONTEXT-SENSITIVE DESIGN
SOLUTIONS. HE HAS SERVED AS TECHNICAL COUNSEL FOR
TRANSPORTATION PROGRAM DEVELOPMENT AND FISCAL
ANALYSIS FOR PUBLIC AGENCIES. HIS ENVIRONMENTAL
ASSESSMENT EXPERIENCE INCLUDES DEVELOPMENT OF
DETAILED TRAVEL DEMAND MODELS AND CAPACITY AND
OPERATIONS ANALYSIS FOR TRAFFIC, AIR QUALITY,
NEIGHBORHOOD, AND ECONOMIC IMPACTS.
IN 1991, JOHN ALDRIDGE FOUNDED ALDRIDGE
TRANSPORTATION CONSULTANTS, LLC., A PROFESSIONAL
SERVICE CONSULTING FIRM SPECIALIZING IN TRAFFIC
ENGINEERING AND TRANSPORTATION PLANNING. CLIENTS
INCLUDE CITY, COUNTY AND STATE GOVERNMENTS AND
PRIVATE SECTOR DEVELOPERS OF MAJOR RESIDENTIAL,
COMMERCIAL AND SHOPPING CENTER PROJECTS. ATC HAS
PREPARED OVER 1,000 TRAFFIC IMPACT ANALYSES, DESIGNED
OVER 100 TRAFFIC SIGNAL SYSTEMS AND SERVED IN A SUB-
CONSULTANT ROLE TO ARCHITECTURAL AND CIVIL
ENGINEERING FIRMS FOR TRAFFIC ENGINEERING AND/OR
TRANSPORTATION PLANNING SUPPORT.
• Preparation of Traffic Impact Analyses for several major
shopping center projects including Northfield (Quebec/I-70), The
Orchard (144th/I-25), Peakview Business Park (Greenfields/SH-14)
and Cornerstar (Arapahoe/Parker).
• Stapleton Redevelopment Project. Principal Traffic
Engineer/Transportation Planner for preparation traffic impact
analyses, traffic forecasting, roadway geometric design, traffic
signal design, signing and striping plans, and traffic control plans
in several of the major development areas of the project.
• South Westminster Transit Oriented Development –
Preparation of a comprehensive transportation program of roadway,
intersection and land use improvements to enhance the use of
transit in a major redevelopment site.
• I-70 Mountain Corridor – Lead traffic engineer and
transportation planner for the preparation of the Programmatic
Environmental Impact Statement (PEIS).
• US287/SH1 to Laporte Bypass – Lead traffic engineer and
transportation planner for the preparation of the Environmental
• East Berthoud Pass – Managed and prepared traffic
operations, accident analysis, and alternative design analysis for
the Environmental Assessment (EA) and Final Engineering.
• City of Black Hawk – Traffic engineer for major casino clients
on parking, access, intersection design/operations and traffic
• I-70/I-76/Wadsworth Interchange – Managed and prepared
traffic operations analysis, signal design, and development of
extensive traffic control plans for highway and interchange
• SH52/Dacono Access Control Plan – Prepared an access
control plan using the State Highway Access Code in this area of
• DRCOG – Technical counsel for the preparation of the
Transportation Improvement Program (TIP) in accordance with
• Speer/Sixth/Lincoln in downtown Denver – Deputy Project
Manger for the development of alternative designs, operations
analysis, and environmental assessment for tunnel construction
and intersection reconfiguration.
• Michigan’s Transportation Corridor Planning and Management
Act – Project Manager for the development of techniques to
preserve right-of-way in corridors for future roadway construction.
Project involved extensive national research and legal analysis of
• M-59 in Michigan – Project Manager for the research and
development of methods to widen and resolve significant property
taking issues in Michigan’s “Corridor of Opportunity.”
• Fiscal Analysis of Michigan’s Transportation Needs and
Revenue - Project Manager for the preparation of a fiscal analysis
of transportation needs and revenue for the Michigan Legislature.
The Legislature enacted the recommended fuel tax increase and
reallocation of revenues.
• US-23 in Michigan – Project Manager for the development of
corridor alternatives, operations analysis and design development.
• Los Angeles Metro-Rail - Preparation of the AA/DEIS.
Responsibilities included several special studies on Benefit
Assessment Areas and Construction Impacts.
• Downtown Louisville, Kentucky – Project Manager for a parking
demand analysis and management plan.
• East/West Corridor Study, Covington, Kentucky – Project
Manager for the study of traffic operations and alternative design
concepts for major routes through Covington, Kentucky.
• Florida DOT - Preparation of a major assessment that
analyzed the impact of FDOT and City ridesharing programs.
• Pensacola Urban Corridor Study – Preparation of fiscally
constrained corridor improvement program.
• Corridor Preservation Plan for Dade and Monroe Counties in
Florida – Preparation of document identifying future corridor right-of-
• Town of Columbine Valley Transportation Master Plan –
Project Manager for development of a master transportation plan.
• City of Arvada, Colorado – Development of Urban Travel Model
• City of Littleton, Colorado - Development of Urban Travel Model
• Lowell Township, Michigan – Development of Urban Travel
• Sugerland, Texas – Development of Urban Travel Model
John Aldridge began his professional career in 1974 at the
Colorado Department of Transportation and in 1975 at the City of
Boulder, Colorado. In 1978 he became the Director of the MPO in
Grand Rapids, Michigan. After eight years in Michigan, he joined
Schimpeler-Corradino, Inc., a consulting firm in Louisville,
Kentucky. In 1990 he returned to Colorado as a member of
DeLuew, Cather & Co.
He has prepared numerous technical papers and provided
technical assistance on a handbook “Evaluating Traffic Impact
Analyses” for the Michigan Department of Transportation.
|John M.W. Aldridge, PE, PTOE, AICP
Principal Traffic Engineer & Transportation Planner