traffic congestion congestion and gridlock illustration

The Deep Mystery of Traffic Congestion

…congestion and find solutions that speak to them. End of excerpt Hannah Twaddell is President and founder of Twaddell Associates, LLC, a consulting practice specializing in community planning, public engagement, facilitation, and education. Based in…

Illustration of car sharing by Paul Hoffman for PlannersWeb

Ready for Car Sharing?

…and Thinking About a Program in Your Community? With sidebars on how car sharing works in Arlington County, Virginia, and why car sharing didn’t work in Traverse City, Michigan. Hannah Twaddell is President and founder…

Major ramifications ahead cartoon

Breaking Our Addiction to Highway Level of Service Standards

…context into account. [For more on this, see an excellent article we published by transportation planner Hannah Twaddell, “Fitting Roadways to Community Needs: A Look at the ITE Urban Thoroughfares Report.”] During the PPS workshop,…

School crossing sign

Safe Routes to School

Safe Routes to School programs are being implemented in communities across the country. Transportation planner Hannah Twaddell provides a primer on “SR2S.”…

Planning ABC's illustration

Y is for Youth

…designed to provide health and safety benefits, but to better connect children with their communities and with the natural environment. Editor’s note: see Hannah Twaddell‘s “Safe Routes to School” (PCJ, Fall 2004).Read excerpt from start…

Our Contributing Writers

Our Contributing Writers

…Dale — Laurence Gerckens Beth Humstone — Ed McMahon — Della Rucker — The Segedys — Kennedy Smith — Ric Stephens — Hannah Twaddell Voices from Planning Commissioners Over the years, many other individuals have…

image of road barrier that says "What's In Your Way?"

Challenges & Opportunities

Autos & Aging by Hannah Twaddell Credibility Is Essential by Elaine Cogan Flexibility Is a Virtue by Carolyn Braun, AICP Engaging in Planning by Della Rucker, AICP, CEcD The Place Where We Live by Edward…