Transportation systems in many Chinese cities have reached a critical moment in dealing with traffic congestion and perceived parking shortages stemming from rapid motorization. Recent research shows that oversupplying parking, as many cities did in response to increased car use, in fact, worsens congestion problems. Cities that have limited or capped parking supply in dense areas effectively reduced congestion and increased use of other modes even as development continues. Cities that link development to transit rather than parking are the most successful in tackling traffic congestion and air quality issues while promoting prosperity.