Traffic Calming State of the Practice Slide Seminar

Session 1: Introduction

Traffic Calming State of the Practice - Slide Seminar

Introduction

Contents of Traffic Calming State-of-the-Practice

Communities Featured in Report

Companion Canadian Guide

Elusive Definition of Traffic Calming

Measures Not Covered in Definition of Traffic Calming

Multiple Purposes of Traffic Calming

Naglee Park Neighborhood (San Jose, CA)

Five Oaks Neighborhood (Dayton, OH)

Northwood Road (West Palm Beach, FL)

Selective History of Traffic Calming

Original Traffic Calming Demonstration (Stevens Neighborhood)

Permanent Installation (Stevens Neighborhood)

Seattle’s First Application of Its Now Favorite Measures

Early Accommodation of Emergency Services

Start Dates of Other Early U.S. Traffic Calming Initiatives

Overview of Current Practice

Prevalence of Selected Measures (ITE District 6 Survey)

Growing Professional Interest

Also Growing Controversy

Future of Traffic Calming -- Trends

From Simple to Diverse Programs

Combination of Measures

Example -- Speed Table Combined with a Choker

From Volume to Speed Controls

Speed Controls in a Curvilinear Network

From Wrong to Right Spacing of Slow Points

Midpoint Speed vs. Spacing of Slow Points

Spacing Guidelines of Featured Communities

From Spot to Areawide Treatments

From Retrofits to New Developments

Low-Volume Residential Street in New Hierarchy

Traffic Calming Guidelines for Old and New Streets

Other Efforts to Calm Traffic in New Developments