The Old Colony Planning Council’s study of a busy traffic corridor that extends from Avon into Stoughton should help both towns advance the design plans already on the drawing board and help them to get federal and state funding to redesign problem intersections. An overview of the study was presented last week at the council’s offices in Brockton. The 2013 Major Bottleneck Study will examine bottlenecks within the Central Street-Harrison Boulevard corridor from Canton Street (Route 27) in Stoughton to Route 28, including the East Spring Street/West Spring Street intersection in Avon. In Stoughton, the area around the West School on Central Street near the Pearl Street intersection and the Stoughton District Court is also an area of concern. Stoughton voters also in June approved spending $75,000 to hire a consultant to prepare design plans to redesign Central Street where it intersects with Tosca Drive and Canton, Island, and West streets. “We realize that the decisions we make on traffic here in Stoughton affect traffic further downstream,” said Town Planner Noreen O’Toole, a member of the transportation task force that developed the article. “We have to make comprehensive decisions and we have council planners on our task force helping us make those decisions.” Ray Guarino, a senior transportation planner for the council, said problems involving pedestrians and cyclists will also be studied.