A study shows that ride-hailing services like Lyft and Uber contribute to traffic congestion. Published August 1, 2018 at 2671 × 2001 in Ride-Hailing Services Add To Traffic Congestion, New York Study Says A study shows that ride-hailing services like Lyft and Uber contribute to traffic congestion. A study shows that ride-hailing services like Lyft and Uber contribute to traffic congestion.