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Washington, D.C., Suburb Starts Traffic Signal Modernization

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Washington, D.C., Suburb Starts Traffic Signal Modernization


Transportation will be the launching point for the smart city journey in Falls Church, Va.

This small city of just more than 2 square miles near Washington, D.C., is beginning the first phase of a smart city initiative with Virginia Tech’s Transportation Institute (VTTI) Division of Technology Implementation and the Virginia Department of Transportation. The project will involve traffic management technology modernization and signal upgrades.

“We are introducing modern signal controllers equipped with software designed to meet both current and future roadway needs,” Cindy L. Mester, Falls Church community relations and legislative affairs director, said via email. “These controllers will not only address today’s challenges, but also support the integration of connected and automated vehicles, ensuring that Falls Church is prepared for the transportation technologies of tomorrow.”


The “smart intersection” modernization is the project’s first component, and will update all of the signals on Broad and Washington streets — two major corridors. It will be completed in the fall of 2025. Other project phases include adaptive street lighting, smart parking, and tools to gather and analyze data. The project, to be completed in 2028, is being funded in part by a $10 million state grant managed by the Virginia Department of Transportation. The grant will fund the selection and deployment of a variety of technologies, in a set of categories.

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VTTI will serve as “the technology implementer” while also conducting research.

Falls Church “prides itself on being kind of a pedestrian and biking community,” said Mike Mollenhauer, VTTI division director of technology implementation, who will serve as the university’s project lead.

“But they have roadways that have high traffic levels and congestion at various parts of the day,” Mollenhauer said, outlining some of the transportation challenges the city faces. “You want to move vehicles through the system. But you also want to make sure it’s a walkable and bikeable and livable community. And you have to try and strike a balance there, to make sure you aren’t overemphasizing one mechanism over another.”

VTTI will serve as a third-party evaluator for the technologies and assist the city in the design of the urban tech systems, which will then be handed over to the city for its technology officials to manage.

Beyond smart intersections, the project will also explore the deployment of intelligent parking and curb management, adaptive street lighting, community engagement and use of a data dashboard that brings multiple operations into one platform. This, Mollenhauer said, will make system management and operation easier for officials.

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One focus will be deploying the technologies in a redevelopment area where new streets and other infrastructure are planned.

“However, as we think about deploying technology for the city, we don’t want them to end up with a patchwork, where you have one technology from a vendor that’s in one part of the city, and then a different technology somewhere else,” he said.

Some of the most “near-term needs” lie in the traffic system, which will get upgrades to traffic signal controllers “so they can interface with some of the smarter technologies that’s coming along,” Mollenhauer said.

“Our central signal management system will empower city staff with innovative tools that allow them to work smarter, not harder,” Mester said. “This system provides centralized command and control capabilities, with real-time alerts prompting staff of issues while providing information on the current health of intersection equipment.”

The new signal technology will be designed and deployed to create a coordinated transportation ecosystem, improving the flow of traffic with adaptive intersections and giving transportation officials new insights for better traffic management and improved safety.

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“With smart intersection data, we will have the tools to understand the factors that precipitate conflicts between vulnerable road users and vehicles,” Mester said. “Empowered with this data, we can make informed design decisions to implement countermeasures that result in safer intersections for everyone.”

Skip Descant writes about smart cities, the Internet of Things, transportation and other areas. He spent more than 12 years reporting for daily newspapers in Mississippi, Arkansas, Louisiana and California. He lives in downtown Yreka, Calif.

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The Work Behind the Welcome: NPS Tradespeople Restore Dupont Circle, Making D.C. Safer and More Beautiful (U.S. National Park Service)

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The Work Behind the Welcome: NPS Tradespeople Restore Dupont Circle, Making D.C. Safer and More Beautiful (U.S. National Park Service)


NPS worker Fred Francis restores Dupont Circle benches with the hands-on skills that keeps public spaces safe, beautiful and ready for visitors.

NPS / Kelsey Graczyk

The hands behind the place

This work took more than plans. It took craftsmen and craftswomen.

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NPS carpenters, masons, maintenance workers, preservation specialists, engineers and landscape architects worked together to renew the circle from the ground up. Crews installed about 10,000 feet of wood slats, cut and placed dowels, sanded rough surfaces, repaired worn concrete legs and painted benches to withstand weather and daily use.

Contractors also repaired fountain pipes and restored stone and marble features, returning moving water to the heart of the circle.

“I used to write project plans for this kind of work,” retired NPS Asset Manager Fred Francis said. “Now I’m out here helping do it. I’m working with a great group of people who are experts in their fields.”



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Homelessness in DC region rises slightly, new report finds – WTOP News

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Homelessness in DC region rises slightly, new report finds – WTOP News


Homelessness in the D.C. region ticked up slightly from 2025 to 2026, according to a new report from the Metropolitan Washington Council of Governments.

Homelessness in the D.C. region ticked up slightly from 2025 to 2026, according to a new report from the Metropolitan Washington Council of Governments.

Christine Hong, chair of the council’s Homeless Services Committee and chief of services to End and Prevent Homelessness with the Montgomery County Department of Health and Human Services, presented the findings at the council’s Wednesday meeting.

The report centers on the U.S. Department of Housing and Urban Development’s mandated point-in-time count of sheltered and unsheltered people experiencing homelessness on a single night in January.

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“This year, the count was conducted on Feb. 4. We had to postpone it one week due to the extreme cold and winter weather event that we experienced the week prior,” Hong said. “Although it’s an imperfect measure, it provides an important regional snapshot of homelessness on a single night.”

The D.C. region reported 9,790 total people experiencing homelessness, an increase of 131 people or about 1% from 2025. The year-over-year regional change was modest. This count is closer in line to the 2019 number, before the pandemic.

“The regional story is that homelessness fell during the pandemic era, a period when expanded federal resources and emergency protections were in place, and then increased after those temporary supports ended,” Hong said. “The main takeaway is that regional homelessness is no longer increasing at the pace seen in 2023 and 2024, and is in line with the years immediately preceding the pandemic.”

Results varied by jurisdiction.

D.C. had the largest numerical increase, with 225 additional people counted. Prince George’s County, Maryland, had 175 additional people counted, a 29% increase. Montgomery County saw the largest decrease, down by 390 people or 26%. Hong pointed to the county’s investment in short-term housing.

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“Montgomery County also spent a great deal to expand emergency shelter for families, because we are committed to ensuring no family with children would sleep outside even one night,” she said.

The count also included detailed information on race, veterans and household types.

“The broader evidence is clear, and is referenced in the report, that housing costs and the cost of living are major drivers of homelessness risk, especially for families with low income,” Hong said. “In practical terms, this means family homelessness is closely tied to whether low-income families can find and maintain housing.”

Read the full report here.

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DC police officer caught in Hansen sting due in court

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DC police officer caught in Hansen sting due in court


The D.C. police lieutenant arrested in a Chris Hansen sting operation is due in court Wednesday.

Lt. Matthew Mahl is accused of soliciting sex with a minor. FOX 5’s Melanie Alnwick reports that Mahl was charged with felony solicitation of a minor. A status hearing Wednesday morning suggests the case could be paused, not prosecuted or dismissed, though the reason remains unclear.

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DC police lieutenant arrested in child exploitation investigation tied to Chris Hansen sting

Mahl was one of several people arrested in April as part of an online sting for Hansen’s show “Takedown,” which he describes as a predator investigative series. Hansen’s team, working with members of the Harford County Sheriff’s Office, set up a “sting house” where targets were lured to an address believing they were meeting a juvenile for sex.

Mahl did not enter the sting house. Instead, he was taken out of his vehicle on the street and arrested. He did not answer questions during the post‑arrest interview.

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Hansen’s earlier program, “To Catch a Predator,” drew controversy over its tactics, which critics said ruined lives and careers before cases reached court. Others praised the shows for removing alleged child predators from the streets.

Mahl is on administrative leave and has had his police powers revoked. The D.C. police department is conducting its own internal investigation.

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The Source: This article was written using information from the Metropolitan Police Department, the Harford County Sheriff’s Office and and previous FOX 5 reporting. 

NewsWashington, D.C.Metropolitan Police Department



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