Randolph police responded to a serious traffic collision on Monday afternoon at the intersection of Union Street and South Street, just before 4:15 p.m. The crash involved a motorcycle and another vehicle traveling in opposite directions.

Injuries and emergency response

Emergency crews arrived quickly and found the motorcyclist seriously injured. Paramedics administered on‑scene care before transporting the rider by ambulance to Boston Medical Center‑South in Brockton for further treatment. Hospital officials have not released details about the rider’s condition, but the injury was described as serious.

Other driver and scene management

The driver of the second vehicle was not injured and remained at the scene while police conducted their investigation. Union Street was temporarily closed to traffic to allow investigators to document the scene and clear debris. Motorists were directed to use alternate routes, and police asked the public to avoid the intersection until it was deemed safe to reopen.

Investigation underway

Randolph Police Department has opened an investigation into the cause of the crash. Officers are reviewing witness statements, vehicle damage, and any available dash‑cam or surveillance footage. No arrests have been made, and the investigation remains ongoing.

Community impact

Residents in the area expressed concern over the sudden closure of a major thoroughfare during rush hour. Local businesses reported a brief slowdown in customer traffic, but most said they expected the road to reopen within a few hours. The police department reminded drivers to exercise caution, especially at busy intersections, and to obey speed limits and traffic signals.

Safety reminders

Officials used the incident as an opportunity to reiterate the importance of wearing helmets, maintaining safe following distances, and staying alert while driving. Motorcyclists are urged to wear protective gear and to be especially vigilant at intersections, where many collisions occur.

The Randolph Police Department will provide updates as the investigation progresses. Motorists are encouraged to report any additional information they may have witnessed to the department’s non‑emergency line.

Original reporting: NBC10 Boston — read the source article.