SOUTH BERWICK - The Maine Department of Transportation is making traffic and safety improvements on the intersection of Routes 236 and 91 in South Berwick. The work involves improving turn lanes on Route 236, adding traffic signals, and making drainage improvements. Work began on March 28th and is scheduled to be completed on December 1st. Drivers should expect a single-lane traffic pattern during this work. Wide loads will be prohibited. The contractor on this project is R.J. Grondin & Sons of Gorham. The contract amount is $3,328,795.