Strengthening Linkages between Transportation Demand Management and Traffic Management
Case Studies
The next seven sections present the seven contexts and 16 case studies that highlight different aspects of linkages between transportation demand management (TDM) and traffic management. Table 4 provides the contexts and case studies used in the document. While no single case study or context fully illustrates all the linkages possible between TDM and traffic management, together they provide real-world examples of how agencies are leveraging these programs to support travel choices throughout the trip.
Table 4. Contexts and case studies included in the compendium.
| Context |
Description |
Case Studies |
Managing demand and traffic during weather events and natural disasters |
Implementing traffic management strategies alongside TDM strategies to help travelers get around when weather has caused major disruptions on a transportation system |
Case 1. Hurricane Harvey Mobility Response—Houston TranStar
Case 2. Utah Department of Transportation’s Traffic Operations Center Use of Proactive Messaging during Weather |
Linking TDM and traffic management as part of transit disruption |
Combining efforts of traffic managers who are mitigating the effects of the transit outage on the roadways and TDM professionals who can help travelers understand the range of alternative travel options available |
Case 3. SafeTrack—Washington, DC
Case 4. Amtrak New York Pennsylvania Station Emergency Repair Work |
Incorporating TDM as part of a major road reconstruction project |
Combining TDM and traffic management strategies to mitigate the impact of road construction |
Case 5. New Jersey Pulaski Skyway Reconstruction
Case 6. Texas I-35 Freight Trip Optimization with Construction Information
Case 7. Atlanta’s I-85 Bridge Collapse |
Managing system efficiency using active demand management (ADM) and active traffic management (ATM) |
Managing overall system efficiency through a combination of ADM and ATM strategies for recurring congestion |
Case 8. New York State Department of Transportation’s Active Transportation and Demand Management Program
Case 9. Houston’s ConnectSmart Program, Funded by Advanced Transportation and Congestion Management Technologies Deployment |
Using high-occupancy toll and priority treatments for transit service enhancements |
Managing demand through priority treatments for high-occupancy vehicles (HOVs) |
Case 10. Mopac Improvement Project (Mopac Express Lanes)
Case 11. I-110/I-10 Express Lanes HOV Incentives (Los Angeles County)
Case 12. I-55 Buses on Shoulder (Chicago Region) |
Managing special events using parking, TDM, and traffic management |
Linking demand and traffic strategies during special events |
Case 13. Union Cycliste Internationale Road World Championships (Richmond, VA)
Case 14. Mass Transit Super Bowl (New Jersey and New York)
Case 15. Wyoming Department of Transportation and the 2017 Solar Eclipse |
Managing smart parking and considering local traffic management |
Linking parking technology and strategies to local demand and traffic management |
Case 16. SFpark: Managing Parking Demand via Pricing (San Francisco, CA) |
