Posted: Jul 08, 2021 9:04 PM AT | Last Updated: July 9 The $151-million Highway 101 twinning project could be pushed back a year unless a decision is made on fish passage in the Avon River in Windsor, N.S.(Paul Withers) Completion of the $151-million Highway 101 twinning project in Nova Scotia could be pushed back a year unless there is a decision soon on fish passage in the Avon River at Windsor, the province warned Thursday. Transportation Minister Lloyd Hines said the project is already a couple of months behind schedule because there is no agreement on what will replace the existing causeway and an aboiteau over the river. It is the last section in the 10-kilometre twinning.