Man faces judge after 100+ bicyclists swarm Boston highway

Man appears in court after 100+ bicyclists take over Boston highway

A man appeared in a Massachusetts courtroom Monday after he was allegedly one of over 100 people who swarmed Boston city streets on bikes and scooters over the weekend, blocking traffic on several busy roads.

Adam Harrison, 22, appeared in a South Boston courthouse Monday on charges of disorderly conduct and resisting arrest.

On Saturday, video showed the group of people on bikes and scooters blocking traffic on Interstate 93, the Zakim Bridge and other access roads.

Witnesses described the group as young and chaotic.

"At least 100, on pedal bikes and then on the motor bikes. They were doing some wheelies. They were riding pretty good," said Clint Sanders, who saw the group.

Prosecutors said a Massachusetts State Police trooper tried to stop the riders near D and Summer streets in the Seaport District when several riders pulled in front of his cruiser, performing stunts.

One motorcyclist got in front of the cruiser, slammed on their brakes and caused the trooper to hit them, prosecutors said. The motorcyclist, who police later discovered was driving a stolen bike, got off and ran away.

That's when prosecutors said the trooper noticed Harrison, who was allegedly riding with the group.

Adam Harrison appears in court on August 18, 2025. CBS Boston

"That trooper did grab him by the shirt, he lost control of his bike, fell to ground and was placed under arrest," the prosecutor said Monday.

The Winthrop resident has no prior record and was released on personal recognizance.

Harrison's legal fate is in limbo. He requested and qualifies for a public attorney. But due to the current work stoppage, the judge said she has no attorney for Harrison currently.

The judge hopes to have one for Harrison's next court appearance, which is scheduled for September 30. 

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