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Professional Engineer specializing in traffic signals and geometric intersection design. Includes traffic signal system design and timing. Autoscope design also included in experience.

Ms. Mary E Ahern

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Location: Chicago, IL

 
Address:

841C S. Racine Ave

Chicago, IL 60607

Office:

312 997 2177

Fax:

312 942 9578

Web Page:

www.ahernengineering.com

E-mail:

ahernengineering@aol.com
 

Short Biography:

I received a B.S. in Civil Engineering from Marquette University in 1995, followed by receiving my P.E. license in 1999. Although my engineering focus has been traffic signal timing and design, I have experience in a broad range of civil engineering planning and design topics. From bid document preparation and cost estimating for construction projects to long term strategic route planning, my career as an engineer has included a spectrum of civil engineering design.

In the traffic signal design field, I have designed fiber optically connected signal systems and created system timings to progress traffic at an optimal rate throughout multiple signals. This particular focus has enabled large decreases in lost time for motorists waiting a red lights without requiring the funding of road reconstruction.

Traffic signal design in my career has included both design and timings of the signals themselves, including autoscope design (camera detection and intersection surveillance sytems). It has also included both standard pedestrian signal design and audible pedestrian signal design.

As an engineer I worked for an engineering firm for 4 years, after which I started my own consulting business. I am currently prequalified with the Illinois Department of Transportation (IDOT) and certified as a DBE with IDOT.


 

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Accident Prevention / Safety Expert Witnesses Directory   Accident Prevention / Safety Experts Witnesses ;
Accident Reconstruction Expert Witnesses Directory   Accident Reconstruction Experts Witnesses ;
Engineering - Civil Expert Witnesses Directory   Engineering - Civil Experts Witnesses ;
Safety Expert Witnesses Directory   Safety Experts Witnesses ;
School Safety Expert Witnesses Directory   School Safety Experts Witnesses ;
Traffic Expert Witnesses Directory   Traffic Experts Witnesses ;
Accident Investigation Expert Witnesses Directory   Accident Investigation Experts Witnesses ;

Some of the Keywords entered by this Expert:

Geometric Intersection Design Geometric Intersection Design Traffic Signal Design Vehicle Detection Equipment Design And Placement Vehicle Detection Equipment Design And Placement
Traffic Engineer Geometric Intersection Design Median Design Fiber Optic Systems Red Light Clearance
Phase I Traffic Signal System Design Traffic Signal Timing Traffic Signal System Design Traffic Signal Design
Traffic Signal Coordination Audible Pedestrian Signals Traffic Signal Design Median Design Geometric Intersection Design
Civil Engineer Dilemna Zone Stop Light Clearance Interval Timings Audible Pedestrian Signals
Accident Reconstruction Drainage


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