Some drivers forgot about the project and found themselves stuck in an assembly line of cars all getting diverted as several ramps were closed.
The ramp to Copley Square from the Mass Pike was closed for hours Friday after a cement truck rolled over.
State Police briefly shut down the left two lanes of the Massachusetts Turnpike eastbound into Boston Monday afternoon.
Monday morning Karl Heitelberg was on the Mass Pike going under the Prudential Tunnel when something fell onto his car.
The Prudential Tunnel on the Massachusetts Turnpike in Boston has reopened after a crash involving two tractor-trailers.