 After a signalized intersection with Wellington Street, Highway 40 widens to a divided four lane expressway once more just prior to a Parclo A2 interchange with London Line (former Highway 7), then ends at a Parclo B4 interchange with Highway 402 (Exit 6).Modeland Road narrows back to a two lane road and continues north as Lambton County Road 27.The African-Canadian Heritage Tour follows a portion of Highway 40, from the interchange with Highway 401 to Chatham-Kent Road 29 (Countryview Line) in Oungah, Ontario, midway between Chatham and Wallaceburg, where it turns east on to Chatham-Kent Road 29 towards Dresden.