William Zinn (Bill) – Designer, Traffic Specialist

Education:

Triangle Tech, Specialized Associate Degree, Mechanical Computer Aided Drafting & Design, 2005

Licensure and Certification:

IMSA Certified Traffic Signal Inspector

Company Background:

Bill joined the French Engineering team in April 2009

Company Responsibilities:

Bill has worked on numerous traffic-related designs, including work zone traffic control, temporary and permanent traffic signals, and signing and pavement marking plans.  In that time, he has become intimately familiar with the relevant PennDOT and Pennsylvania Turnpike Commission (PTC) guidelines, including:

• PTC PTS Standards (Protection of Traffic Standards)
• Pub. 46, Traffic Engineering Manual
• Pub. 111, Pavement Marking and Signing Standards
• Pub. 148, Traffic Signal Standards
• Pub. 149, Traffic Signal Design Handbook
• Pub. 213, Temporary Traffic Control Guidelines
• Pub. 236, Handbook of Approved Signs
• Pub. 352, Estimating Manual
• Pub. 408, Construction Specifications

In addition to plan development, his design work also includes the calculation of quantities, the preparation of cost estimates , and the development of specifications.  He is also an experienced field inspector of traffic-related items, including traffic signal hardware, signs, and pavement markings.   Finally, he assists with the development of H&H reports, traffic data collection, and the review of Transportation Impact Studies. He is an experienced user of Microstation Connect, AutoCAD, Inroads, AutoTURN, SignCAD, AutoTAB, and HEC-RAS.

Recent projects for which Bill was the primary technician include:

• District 12-0: SR 0070-K10 – Prepared the Signing and Pavement Marking Plan for the interchange of I-70 and PA 31 in Westmoreland County.  This included several custom-designed signs on I-70 approaching the interchange.
• Pennsylvania Turnpike Commission: Sideling Hill Service Plaza Parking Expansion MP 172.27 – Prepared the Traffic Control Plan and Signing & Pavement Marking Plan for the I-76 Sideling Hill Service Plaza Parking Expansion at MP 172.27. The Traffic Control Plan consisted of multiple stages designed to maintain truck access to the plaza during the multi-year construction project.
• District 12-0: SR 0981 SIG – City of Latrobe – Performed Traffic Signal Designs and Temporary Signal Designs at 10 existing signalized intersections. Traffic signal designs were comprised of 9 complete signal replacements and 1 signal improvement. Traffic signal designs accounted for the existing traffic signals which remained operational during construction.
• District 3-0: SR 0011 114 & 115, Town of Bloomsburg – Performed Traffic Signal Designs to replace 3 signalized intersections within the Town of Bloomsburg. The signal design required coordination with PennDOT, railroad, and railroad signal manufacturer for the new overhead railroad signal structure to serve as a combined traffic signal and railroad grade crossing at SR 11/SR 487 & 6th Street.
• District 12-0: Laurel Valley Transportation Improvement Project – Prepared the Signing and Pavement Marking plan for this proposed facility, which included three roundabouts.
• District 8-0:  SR 0015-034, York and Adams Counties – Prepared the Signing and Pavement Marking Plan and Traffic Control Plan for proposed intersection improvements along approximately 9 miles of SR 0015 between Dillsburg and SR 0094 in Adams County.
• District 9-0: SR 0219 035, Somerset County – Prepared the Traffic Control Plan utilizing temporary signals for SR 219 full depth reconstruction and rock outcropping removal at various segment locations.