Bangor Residents will head to the New Cross Insurance Center to cast a vote on Tuesday.Polls will be open for the special election from 7am to 8pm.There are three questions on the ballot. Two have to do with the Bangor School Department.The third asks if a bond should be issued to repair the roof of the Public Library.Bangor City Clerk, Lisa Goodwin, hopes for a large turnout. “Well as a clerk I always think it’s important to vote. But these are our tax dollars. So it’s very important.”Voters will enter the Cross Insurance Center via Dutton Street.Volunteers will be around the building directing people on where to go.