Enhanced security measures will be in place at the Boston Landmarks Orchestra's summer concert series on the Charles River Esplanade.
Attendees of the orchestra's free concerts at the Hatch Shell will be required to pass through a bag check at one of four designated entrances established this year.
Coolers with wheels, backpacks, glass containers, alcohol, firearms, and grills will also be banned from the free weekly concerts that begin Wednesday.
The state established the additional security measures for the concerts in response to the Boston Marathon bombings.
The state Department of Conservation and Recreation and the Massachusetts State Police will create an entrance point for people coming to the Esplanade from Charles/MGH MBTA station, and two entrances for people coming over the Arthur Fiedler Bridge from the direction of Arlington Street. A fourth entrance will be for staff.
Parking on Storrow Drive will also be prohibited, but a drop off point for people with disabilities will be located at the curb cut off Storrow Drive behind the Hatch Shell.
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