Transportation Systems Management Engineering

Design ProcessJosé Romero

Assistant Engineer, Electrical

October 12, 2017

Introduction

• The process contains a Concept Development Phase and a Final Design Phase before project goes into Construction.

• TSM Procedure Manual

• Projects• Traffic Signal

• Adaptive • Signal Optimization

• ITS• Camera Surveillance Systems (CSS)• Dynamic Message Signs (DMS)• Truck Safety Warning Systems (TSWS)• Travel Time Systems (TTS)• Fiber Optic Network

Initiate CD

• Obtain Management System and Stakeholder input

• Update PRS• Update with all available information. PM responsible to

update regularly.

• Tier Assignment• If traffic signal project, tier is assigned to proposed

corridor based off the COAST-NJ study.

Data Collection & Analysis

• Perform Environmental screening

• Gather information needed such as As-builts, ROW information

• Field visit to verify and evaluate existing conditions

• TSM CD Checklist

• Identify existing utilities

• ITS Site location flexibility

Alternatives Analysis & CD Report

• Develop Alternatives• The alternatives should provide cost effective quality

solutions.

• Preliminary Preferred Alternative (PPA) is chosen.

• Designer develops a preliminary location plan based off the chosen PPA.

• OIT/IT Coordination

• Systems Engineering Review Form (SERF)

• CD Report

Obtain Approvals

• FHWA reviews the CD Report for all federally funded projects.

• Project Manger presents the PPA to Capital Program Screening Committee (CPSC).

• CPC approves advancement of project to Final Design.

• Designer updates the report indicating CPC approval, CD Report is Finalized.

Final Design

• Conduct Surveys

• Conduct Gap Assessment

• Utility Engineering• Subsurface Utility Engineering

• Agreements

Traffic Signal Optimization

• COAST – Ranking

• Concept Development

• Data Collection

• Modeling

• Optimization

• Final Implementation / Design & Construction

• Studies and Performance Measures

Systems Engineering

• Systems Engineering Review Forms

Design

• ITS Facilities Layout Plan

• Confirm Service Provision

• HUB/TOC As Built Confirmation with ITS Maintenance

• Coordination with OIT • System Architectural Review (SAR)

• Review and Update ITS Architecture

• Network Diagram

Submission

• Interim Submission

• Final Design Submission

• FHWA Submission (for PODI projects)

• PS&E Submission

Construction

• Software Integration

• Device Testing

• Burn in Period

• Virtual and Physical Servers

Links

Mobility & Systems Engineering http://www.state.nj.us/transportation/eng/elec/ITS/

TSM Procedures Manualhttp://www.state.nj.us/transportation/eng/elec/ITS/design.sht

m

TSM Limited Scope Processhttp://www.state.nj.us/transportation/eng/elec/ITS/tsmproces

s.shtm

FHWA Systems Engineering https://ops.fhwa.dot.gov/publications/seitsguide/section3.htm