Commuters, beware: New traffic pattern in place on MD-4 in Upper Marlboro

Nbcwashington · Aug 17, 2026 · 362 words · By Jessica Albert

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What to know about Commuters, beware: New traffic pattern in place on MD-4 in Upper Marlboro

A big traffic change for commuters in Prince George's County began Sunday.

Claims checked 7

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

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Center100%

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4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

A big traffic change for commuters in Prince George's County began Sunday.

Why it matters

If your morning commute includes MD-4 (Pennsylvania Avenue) at Suitland Parkway in Upper Marlboro, you might want to plan to leave a little earlier.

Common ground

The new traffic pattern is a part of a $238 million project to build a diamond-shaped interchange there.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: Commuters, beware: New traffic pattern in place on MD-4 in Upper Marlboro?
What evidence would most clearly confirm or weaken the claim that The new traffic pattern consists of two lanes in both directions while maintaining dual left-turn lanes on northbound MD 4 to Suitland Parkway?
What happens next if the deal stalls, and who has the power to restart talks?

open_in_new Read the original article: https://www.nbcwashington.com/news/local/transportation/commuters-beware-new-tra…

fact_checkClaims Checked

eFinder analyzed this article and checked 7 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 3

info Single Source 2

cancel Disputed 2

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Claim 1: “The new traffic pattern consists of two lanes in both directions while maintaining dual left-turn lanes on northbound MD 4 to Suitland Parkway”

CORROBORATED

Three independent sources (FOX 5 DC, YouTube, and a news article) explicitly confirm the pattern consists of two lanes in both directions and dual left-turn lanes on northbound MD 4.

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wikipedia NEUTRAL — Prince George's County (often shortened to PG County, PG, or PGC) is located in the U.S. state of Maryland bordering the eastern portion of Washington, D.C. As of the 2020 U.S. census, the population …
https://en.wikipedia.org/wiki/Prince_George's_County,_Maryla…

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wikipedia NEUTRAL — Suitland is a census designated place (CDP) in Prince George's County, Maryland. Suitland is located approximately 1 mile (1.6 km) southeast of Washington, D.C.. As of the 2020 census, its population …
https://en.wikipedia.org/wiki/Suitland,_Maryland

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wikipedia NEUTRAL — The Suitland Parkway is a limited-access parkway in Washington, D.C., and Prince George's County, Maryland, administered and maintained by the U.S. National Park Service (NPS), National Capital Parks-…
https://en.wikipedia.org/wiki/Suitland_Parkway

+ 3 more evidence sources

info

Claim 2: “The new traffic pattern is a part of a $238 million project to build a diamond-shaped interchange there.”

SINGLE SOURCE

While multiple sources confirm the project involves building a 'diamond interchange' at MD-4 and Suitland Parkway, none of the provided evidence mentions the specific cost of $238 million.

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wikipedia NEUTRAL — Maryland Route 337 (MD 337) is a state highway in the U.S. state of Maryland. Known for most of its length as Allentown Road, the highway runs 3.41 miles (5.49 km) from MD 5 in Camp Springs east to MD…
https://en.wikipedia.org/wiki/Maryland_Route_337

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+ 3 more evidence sources

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Claim 3: “Traffic has switched to a new temporary road in order for crews to continue putting up overpasses and other infrastructure for the new interchange”

CORROBORATED

Multiple sources confirm that traffic has been shifted to a temporary roadway to allow for the construction of the new interchange infrastructure.

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wikipedia NEUTRAL — Interstate 295 (I-295) also known as the Anacostia Freeway, is a six-mile (9.7 km) auxiliary Interstate Highway in the US state of Maryland and in Washington, D.C. It connects I-95/I-495 and Maryland …
https://en.wikipedia.org/wiki/Interstate_295_(Maryland–Distr…

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wikipedia NEUTRAL — Maryland Route 4 (MD 4) is a state highway in the U.S. state of Maryland. The highway runs 64.85 miles (104.37 km) from MD 5 in Leonardtown north to Southern Avenue in Suitland at the District of Col…
https://en.wikipedia.org/wiki/Maryland_Route_4

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+ 3 more evidence sources

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Claim 4: “It's set to be completed in 2029.”

DISPUTED

Sources provide conflicting completion dates: one source projects completion by 2029, while another states it is expected to be complete in the fall of 2028.

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web search NEUTRAL — map of MD 4 and MD337 interchange Map of MD 4 and MD 337 interchange. In addition to the new diamond interchange, the project includes: realigning the Pennsylvania Avenue Service Road and Armstrong La…
https://www.roads.maryland.gov/mdotsha/Pages/pressreleasedet…

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web search NEUTRAL — According to SHA’s website, “The traffic pattern on the temporary roadway will consist of two lanes in each direction, with dual left-turn lanes on northbound MD 4 to Suitland Parkway.” Construction o…
https://wtop.com/maryland/2026/08/starting-friday-night-expe…

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web search NEUTRAL — Overview of the MD 4 at Suitland Parkway interchange project.The project is expected to be complete in the fall of 2028, weather permitting. It will provide enhanced traffic operations throughout the …
https://www.constructionequipmentguide.com/md-4-project-to-a…

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Claim 5: “This is the third of six phases for this project.”

SINGLE SOURCE

One source confirms the project is divided into six phases, but there is no corroborating evidence specifically stating that the current stage is the third phase.

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web search NEUTRAL — The project is divided into six phases to systematically address various aspects of the interchange transformation. As of February 2025, the project is progressing through these phases, with significa…
https://www.linkedin.com/pulse/transforming-transportation-m…

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web search NEUTRAL — UPPER MARLBORO, Md. - The Maryland Department of Transportation State Highway Administration is implementing a new traffic pattern Monday as work advances on the MD 4 and Suitland Parkway interchange …
https://www.fox5dc.com/news/new-traffic-pattern-begins-md-4-…

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web search NEUTRAL — Drivers should avoid the area near the Maryland Route 4 and Suitland Parkway Interchange project this weekend, according to transportation officials.Construction of the new interchange began in March …
https://wtop.com/maryland/2026/08/starting-friday-night-expe…

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Claim 6: “A big traffic change for commuters in Prince George's County began Sunday.”

DISPUTED

One source states the new traffic pattern began on a Monday, while another mentions closures starting Friday night. There is no evidence in the provided results confirming a Sunday start date.

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wikipedia NEUTRAL — GoPGC (stylized as GO PGC) is a bus transportation system serving Prince George's County, Maryland. There are 24 bus routes, with most operating between Washington Metro stations in the county, with t…
https://en.wikipedia.org/wiki/GoPGC

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wikipedia NEUTRAL — Hyattsville Crossing station is a Washington Metro station in Hyattsville, Maryland, on the Green Line and Yellow Line. It opened on December 11, 1993, as Prince George's Plaza, referencing the nearby…
https://en.wikipedia.org/wiki/Hyattsville_Crossing_station

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wikipedia NEUTRAL — St George's Chapel, formally titled The King's Free Chapel of the College of St George, Windsor Castle, at Windsor Castle in England is a castle chapel built in the late-medieval Perpendicular Gothic …
https://en.wikipedia.org/wiki/St_George's_Chapel,_Windsor_Ca…

+ 3 more evidence sources

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Claim 7: “The changes will be in place for about two years as construction continues.”

CORROBORATED

Multiple sources state that the temporary traffic changes/shift will be in place for approximately two years.

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+ 3 more evidence sources

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.