U.S. Approval of the Westtvacy Seen Tuesday Amid Opposition
West Side Hwy: Transportation Sec William T Coleman Jr is expected to announce approval, Jan 4, of $1.2-billion Westway Interstate Hwy to replace West Side Hwy, NYC; Action for Rational Transit atty William Hoppen and Ad Hoc Com Against Interstate Hwy spokesman John McNally comment; Lowell Bridwell of city-state planning group for Westway says actual construction is at least 18 mos away (M)