HOOKSETT, N.H. (AP) — The New Hampshire State Police say a  crash involving multiple vehicles, including a tractor-trailer, shut down several lanes of southbound traffic on Interstate 93 near the Hooksett tolls. The state Transportation Department said the Exit 11 southbound ramp also is closed. Traffic was diverted to the open-road tolling lanes. There was no word of injuries. Further information was not immediately available.