National Association of City Transportation Officials

Leading the Way

Connecting and mobilizing North American cities and transit agencies toward safe, sustainable, and accessible transportation.

Improving Cities

Our programs help make cities safer, more sustainable, and more joyful.

Uniting City Voices

Mobilizing cities to lead the way on transportation policy locally and nationally.

Accelerating Change

Best practice street design for people walking, biking, and taking transit.


What We’re Working On

May 28 – 31, 2025

Designing Cities Conference: Washington DC

NACTO’s annual Designing Cities conference brings together over 1,000 people passionate about advancing the state of transportation in cities.

MAY 12-15, 2026

Designing Cities Conference: Minneapolis

NACTO’s annual Designing Cities conference brings together over 1,000 people passionate about advancing the state of transportation in cities.


Our Members

Over 100 major North American cities and transit agencies

NACTO’s member cities and transit agencies champion people-first city transportation through street design, policy, and project delivery.

Photo Credits:
Designing Cities: Photos via the District Department of Transportation (DDOT)
Our Members: bus lane installation photo via San Francisco Municipal Transportation Agency, cyclists in bike lane via Jonathan Maus and Bike Portland, open street via DDOT.
Videos: Clarence Eckerson, Streetfilms