The new signals will respond to congestion in real time throughout the day.
Hoping to cut drive times by up to 13 percent, Maryland will spend $50 million to install smart traffic signals statewide.
Currently, if congestion occurs, "the state's 2,500 signals require a technician to go out and reprogram their timing, leaving them unable to adjust quickly to keep traffic moving," explains Katherine Shaver in The Washington Post. The new signals will use pavement sensors to detect even minor backups, and adapt by re-timing light changes.
Maryland isn't the first state to use smart signals, but its network may become the country's most extensive. The rollout will begin this month, starting in corridors with the most compatible technologies.
FULL STORY: ‘Smart’ traffic signals soon will change themselves in Maryland
Boston AI Pilot Optimizes Traffic Light Timing
The program has led to reductions in stop-and-go traffic of as much as 50 percent.
Chattanooga Expands ‘Smart Intersection’ Network
The city is building on a smaller test project that uses sensors to gather data about traffic movement to help transportation planners make more informed traffic management decisions.
China's Largest Online Retailer Using Artificial Intelligence to Tackle Congestion
A subsidiary of Alibaba, the massive online retailer, will deploy cloud computing and artificial intelligence to help relieve congestion in Kuala Lumpur, Malaysia.
Alabama: Trump Terminates Settlements for Black Communities Harmed By Raw Sewage
Trump deemed the landmark civil rights agreement “illegal DEI and environmental justice policy.”
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
Why Should We Subsidize Public Transportation?
Many public transit agencies face financial stress due to rising costs, declining fare revenue, and declining subsidies. Transit advocates must provide a strong business case for increasing public transit funding.
Understanding Road Diets
An explainer from Momentum highlights the advantages of reducing vehicle lanes in favor of more bike, transit, and pedestrian infrastructure.
New California Law Regulates Warehouse Pollution
A new law tightens building and emissions regulations for large distribution warehouses to mitigate air pollution and traffic in surrounding communities.
Phoenix Announces Opening Date for Light Rail Extension
The South Central extension will connect South Phoenix to downtown and other major hubs starting on June 7.
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
Caltrans
Smith Gee Studio
Institute for Housing and Urban Development Studies (IHS)
City of Grandview
Harvard GSD Executive Education
Toledo-Lucas County Plan Commissions
Salt Lake City
NYU Wagner Graduate School of Public Service