To Decide on Tunnel Petition

The Board of Aldermen of the City of Cambridge will today vote finally on the project of a tunnel to be run from the Boston Elevated power house on the Charles River parkway to the College Yard. At the meeting on last Tuesday, the plan was discussed pro and con and it was decided to refer the matter to the Highway Commission. During the past week this body has gone over the draft and plans of the enterprise and the Board of Aldermen will pass on it finally this evening.