Transportation Demand Management (TDM)

What is transportation demand management?

Transportation demand management (or TDM) is the discipline of encouraging and facilitating traveler behavior that makes more efficient use of the transportation network. Ultimately, this means providing people with more choice about how, where, when, and if they travel: giving them more freedom and flexibility in their work hours and location, for instance, or making it more convenient, feasible, and attractive to take transit, ride a bike, or share their trip with other travelers.

Why is transportation demand management important for Colorado?

Population Growth

Colorado's population is projected to increase by over 600,000 residents by 2030. Facilitating more efficient travel choices will be an essential component of the strategy to maintain the reliability of the travel network as it accommodates more travelers.

Public Finance

Colorado cannot afford to “build our way out” of congestion. By making the most of our existing network, we can maximize the impact of tax dollars and reduce future maintenance bills.

Climate Change

While the state has made good progress toward our 2030 GHG targets, additional transportation strategies are needed to close the remaining gap. Emissions-reducing TDM strategies will be needed in addition to zero emission vehicle transitions.

Air Quality

The negative health impacts of vehicle emissions are well documented. TDM can be critical in reducing ozone and criteria pollutants from transportation.


The pandemic, changing workplace attitudes and policies, labor market shortages and recent transportation policy and investment changes present a critical opportunity. 

Landscape of Transportation Demand Management in Colorado

Colorado has a strong tradition of commuter-focused transportation demand management programming, supported by a mixture of regional initiatives - like the Denver Regional Council of Governments' Way to Go Partnership - and programs championed by local governments, transit agencies, and other community and quasi-governmental organizations.

However, many audiences across the state have historically not been part of the conversation, and this has often caused the range of TDM strategies to be constrained by the actors at the table, especially in regard to developing solutions that work for audiences who have not been well-served by traditional TDM efforts - including rural residents, shift workers, caregivers and recreational travelers.

Furthermore, ongoing changes to travel patterns and behaviors in response to the COVID-19 pandemic continue to create fresh challenges for established approaches, and the emergence of new technologies - such as shared micromobility, electric bicycles, and advancements in data analytics - also present invaluable new opportunities for practitioners across the state to tackle varied (and growing) congestion and mobility issues through context-appropriate tools and approaches.

TDM Conference

The Association for Commuter Transportation (ACT) is the premier organization and leading advocate for commuter transportation and transportation demand management (TDM) professionals. With a vision of "A Better Journey for Everyone," ACT strives to create an efficient multimodal transportation system by empowering the people, places, and organizations working to advance TDM in order to improve the quality of life of commuters, enhance the livability of communities, and stimulate economic activity.


OIM Grant Program

The Colorado Department of Transportation (CDOT) Office of Innovative Mobility (OIM) has two TDM funding opportunities under the OIM Grant Program. The OIM Grant Program includes TDM Seed Funding Grants and TDM Innovation Grants.

OIM Grant Program

Woman parking electric bicycle at bike sharing rack.
CDOT Super Call

The Colorado Department of Transportation (CDOT) Division of Transit and Rail (DTR) is issuing a Notice of Funding Availability (NOFA) for Federal Transit Administration (FTA) and State transit funds including TDM Seed Funding Grants and TMO Support grants.

Super Call Notice of Funding Availability and Guidance
Congestion Mitigation Air Quality (CMAQ)

Congestion mitigation and air quality improvement program (CMAQ) is designed to assist non-attainment and maintenance areas in attaining the national ambient air quality standards by funding transportation projects and programs that will improve air quality.

Congestion Mitigation Air Quality (CMAQ)

CDOT Air Quality Action Plan
Revitalizing Main Streets Grant Program

The Revitalizing Main Streets Program began as a part of Colorado’s COVID-19 Recovery Plan, with a $30 million allocation from the state legislature in March 2021. In June 2021, Senate Bill 260 provided $85 million in additional funding for the program over the next 10 years. This program is intended to help communities across the state implement transportation-related projects that improve safety and yield long-term benefits to community main streets. When defining a main street, CDOT is aiming to support areas in or adjacent to community-focused, downtowns where people work, dine and shop. These routes help form a specific region’s identity and act as the major economic hub in many towns and cities across Colorado.

Revitalizing Main Streets Grant Program


Colorado State Wide TDM Plan

The Colorado Department of Transportation (CDOT) is a multimodal transportation agency which supports a wide variety of alternatives to single occupant vehicle use. Phase 1 of this report details a statewide TDM strategy encompassing core strategies, support strategies emerging technologies TDM for specific travel markets and TDM programs. The 2019 Statewide TDM Plan is available upon request.

Email [email protected] for the TDM Plan.

Cover page of the 2019 Statewide Transportation Demand Management Plan
CDOT - How to Create a TDM Plans

2019 Colorado Transportation Demand Management Plan - an important part of CDOT’s responsibility is to maintain and operate the State Highway System, CDOT is not a highway agency but instead a multimodal transportation agency that supports a wide variety of alternatives to single-occupant vehicle use. Phase 1 of this study was an inventory of existing Colorado TDM programs; phase 2 examines where and how CDOT can use TDM to address near-term mobility needs. This document is available upon request. Please click the button below to request a copy.

Request How to Create a TDM Plan

As part of the CDOT Procedural Directive 1601 approval process for new interchanges or for modification of an existing interchange, applicants will be required to create a Transportation Demand Management Plan. For questions reach out to [email protected].

Cover page of The New Transportation Demand Management, An Implementation Guide for City Officials
The New Transportation Demand Management: An Implementation Guide for City Officials

Americans’ dependence on cars and trucks as the dominant means of personal transportation is built on a foundation of dispersed and isolated land use patterns and automobile-centric urban street design, both of which have in turn been created by a complex array of policy and investment decisions. Untangling this complex web of rules and regulations requires a systematic approach to updating policy incentives to align with broadly held public goals—for example, the goal of creating transportation systems that provide equitable; affordable; and sustainable access to jobs, education, healthy food, recreation, and community for all. 

The New Transportation Demand Management: An Implementation Guide for City Officials

Cover page of The New Transportation Demand Management, An Implementation Guide for City Officials