New gas main service installation will begin on Wianno Road in Osterville, on Wednesday, December 14th. Followed by new gas main service on Hyannis Ave, Hyannis port on Thursday December 15th. Weather pending, construction will be on-going from 7:00 AM to 4:30 PM. Traffic will be limited to alternating, one-lane vehicular traffic. Police details will be provided to assist in directing traffic. As always, please slow down and use extreme caution when traveling through the road construction areas, and follow posted safety and traffic signs. To learn more about National Grid’s Service Replacement Program, please visit: