The Boston Emergency Medical Services said 34 people were injured, including one who was hospitalized with life-threatening injuries and three with serious injuries. None of those injured were identified, and state police said they did not know how many of the injured were adults and how many were juveniles.
The Massachusetts Bay Transportation Authority sent buses to pick up other passengers and get them out of the frigid temperatures.
Soldiers Field Road curves along the Charles River and passes by Harvard and Boston University. It is a major roadway to the Massachusetts Turnpike. Soldiers Field remained closed while tow trucks tried to hoist the bus over guardrails onto an adjacent road.