Jersey City officials and a coalition of Hudson County bike groups have opposed the New Jersey Turnpike Authority’s plans to widen the Hudson County extension through Bayonne and Jersey City to the Holland Tunnel and replace the aging Newark Bay bridge. The opposition is based on concerns the project won’t alleviate congestion and would create more traffic and air pollution from vehicles cutting through Bayonne and Jersey City neighborhoods when traffic backs up on the extension. Bike advocates have a powerful ally, Jersey City Mayor Steven Fulop, who had a letter sent on the city’s behalf, asking the Turnpike Authority...