The Montgomery County Council voted to approve the Montgomery Planning’s 2025 Update to the Master Plan of Highways and Transitways on July 29, 2025. The update was required due to County Council’s approval of two bills in 2022 (Bill 24-22 and 34-22) that revised the street types identified in Chapter 49 of the County Code, also known as the “Road Code,” to conform to the county’s Complete Streets Design Guide.
11:05am Update: All lanes of northbound I-270 at MD-109 (Old Hundred Rd) have reopened. Expect residual delays.
Motorists are advised to seek alternate routes following a severe traffic incident that has closed all lanes of northbound I-270 near MD-109 (Old Hundred Road). According to Alert Montgomery at 7:07am Wednesday morning, the incident is expected to cause significant delays in the area.
A collision that has left a tractor trailer dangling over a bridge on the I-495 Beltway and I-270 Spur has led to significant disruptions and emergency response efforts after midnight early Thursday morning.
Maryland State Police are investigating a fatal wrong-way crash on northbound I-270 at Germantown Road early Friday morning that killed two drivers
Update: Maryland State Police are now investigating this incident as a fatal wrong-way collision. Montgomery County Fire and Rescue Services (MCFRS) responded around 2:45 a.m. to a serious two-vehicle collision […]
On Friday afternoon, a tractor trailer carrying food products veered off-road and crashed into trees on the outer loop of I-495, between Georgia Avenue and Connecticut Avenue in Kensington.
A multi-vehicle crash on the westbound Bay Bridge/US 50 has led to significant traffic disruptions this afternoon. The Maryland Transportation Authority (MDTA) reported the incident at 12:15 p.m., stating that all westbound lanes were blocked due to the crash, which involved entrapment.
The Maryland Department of Transportation State Highway Administration will close and detour two ramps on I-95/I-495 (Capital Beltway) in Prince George’s County as part of a ramp resurfacing project beginning July 6. Work will take place overnight Sundays through Thursdays, from 9 p.m. to 5 a.m. All work is expected to be complete by the end of July, weather permitting.
Edited for additional clarity
The Capital Beltway, officially designated as I-495, is a major highway that encircles Washington DC and its inner suburbs in Maryland and Virginia. When you’re driving on the Beltway, you’ll often hear references to the “inner loop” and the “outer loop.” These terms simply describe the direction of travel around the circular highway. Below, we explain what they mean.
At approximately 4:45am Wednesday morning, a significant crash occurred on the inner loop of the I-495 Beltway between Georgia Avenue and Colesville Road, near Exit 31– closing the inner loop of I-495.
Montgomery County Fire and Rescue Services (MCFRS) Chief spokesperson Pete Piringer reported a collision involving two tractor trailers, one of which overturned and began leaking fuel, leading to some lanes being blocked. The incident, initially dispatched around 4:45am, involved a substantial fuel spill and debris scattered across the roadway. MCFRS HazMat units were called in to manage the fuel leakage, while emergency medical personnel transported one adult from the scene.
Starting last night, Friday, June 27, crews began to implement the first of two traffic shifts of all four lanes on southbound I-495 (Beltway Outer Loop) within the I-495 Express Lanes Northern Extension (495 NEXT) project area. This first phase shifts southbound I-495 lanes from just north of George Washington Memorial Parkway (GWMP) to just south of Georgetown Pike onto newly constructed lanes on the outer section of the highway. Work began Friday night, with all southbound lanes in this section of the Beltway reopened in their new alignment by 10 a.m. this morning (Saturday, June 28). Delays extended onto I-270 in Maryland.