Traffic Engineering

About our authors Dr. Roger P. Roess is Department Head in the Department of Civil Engineering at Polytechnic Institute of NYU. Elena S. Prassas is an Associate Professor in the Department of Civil Engineering at Polytechnic Institute of NYU. She earned her Doctor of Philosophy and Master of Science from Polytechnic University and her Bachelor of Arts from the State University of New York, Oneonta. She is a Member of TRB's Highway Capacity and Quality of Service Committee (HCQSC), the Chair of the HCQSC Signalized Intersection Subcommittee and a Member of both the ITE and WTS. William R. McShane is the Vice President of Operations and Dean of Engineering at Polytechnic University. He earned his BSEE from Manhattan College and his MS and PhD in Systems Engineering from Polytechnic University. His areas of interest include quality control, controls and simulation and engineering economics.

I. Basic Concepts and Characteristics

Introduction
Transportation Modes and Characteristics
Road-User, Vehicle, and Roadway Characteristics
Communicating with Drivers: Traffic Control Devices
Traffic Stream Characteristics
The Concepts of Demand, Volume, and Capacity
Level of Service and the Highway Capacity Manual: History and Fundamental Concepts
Intelligent Transportation Systems

II. Traffic Studies and Programs

Traffic Data Collection and Reduction Methodologies
Traffic Volume Studies and Characteristics
Speed, Travel Time, and Delay Studies
Highway Traffic Safety: An Overview
Parking: Characteristics, Studies, Programs, and Design
Traffic Impact Studies and Analyses

III. Interrupted Flow Facilities: Design, Control, and Level of Service

The Hierarchy of Intersection Control
Traffic Signal Hardware
Fundamentals of Intersection Design and Layout
Principles of Intersection Signalization
Fundamentals of Signal Timing and Design: Pre-timed Signals
Fundamentals of Signal Timing and Design: Actuated Signals
Signal Coordination for Arterials and Networks
Capacity and Level of Service Analysis: Signalized Intersections–The HCM Method
Planning-Level Analysis of Signalized Intersections
Urban Streets and Arterials: Complete Streets and Levels of Service
Unsignalized Intersections and Roundabouts
Interchanges and Alternative Intersections

IV. Uninterrupted Flow Facilities: Design, Control, and Level of Service

An Overview of Geometric Design of Roadways
Capacity and Level of Service Analysis: Basic Freeway and Multilane Highway Segments
Capacity and Level of Service Analysis: Weaving Segments on Freeways and Multilane Highways
Capacity and Level of Service Analysis: Merge and Diverge Segments on Freeways and Multilane Highways
Operation and Analysis of Freeways and Highways