There was a bad smash up on the Ann Arbor road, between this city and Pittsfleld Junction Thursdaygand the tracks were not cleared until 2 o'clock this morning. A hose leading to the air brakes on the cars at the front eDd of the traiu burst. This let the air in and atopped the rst few cars within a few feet. The rear end of the train came on with all its Ímpetus and the result was that flvë or six cars were jammed up and tipped over. Considerable damae was done.