Sonja Piper Email & Phone Number

Provide traffic liaison services between MnDOT and large transit projects. Oversee and direct the traffic aspects within the transit corridor of major transit projects including signal design, signal timing, signing, striping, specification, traffic zone safety, pedestrian facilities, and traffic modeling. Prepare traffic agreements and represents MnDOT at.

Eden Prairie, MN

Managing traffic impact studies, travel demand management plans, intersection control evaluations, traffic signal plans, roundabout design, signing plans, traffic operations modeling and access management planning.

Manage traffic signal and street lighting projects. Provide overall supervision and direction to signal and lighting technicians. Coordinate efforts among Street Engineering and Construction Division, Traffic Engineering Division, and Traffic Operations Division. Attend and present at public meetings for upcoming construction projects. Develop and.

As project engineer / project manager, conducted traffic impact studies, intersection control evaluation reports, signal and roundabout design and analysis, pavement designs, and transportation planning for cities, counties, and municipalities.Prepared Intersection Control Evaluation (ICE) reports to determine preferred intersection control. Examined.

Performed field investigation for 2002 Major Mill and Overlay project in Plymouth, MN.Provided construction observation for mill and overlay, bituminous bike trails, concrete curb and gutter replacement, and storm sewer renovations for projects.Conducted turning movement counts for the traffic department.Aided the hydrology department delineating drainage.

Worked on survey crew conducting topographical surveys and construction staking surveys.Developed construction plans and specifications for boat ramps, marshlands, water control structures, fishing jetties, and roads.Performed construction observation to ensure contract compliance.