 This report is sponsored by MassDOT Highway Division. If you're driving to Boston this summer, you're going to want to plan ahead. That Sumner Tunnel is going to be closed again from July 5th to August 5th. Delays are expected, so you should use alternate routes or mass transit. For information on discounted and no-cost transit services, visit mass.gov slash sumner dash tunnel. Kevin Brennan, WBZ's Traffic on the Threes.