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  [TLSI] Many intersections provide crosswalk for pedestrians to cross the road.
  [TLSI] Paths of the vehicles making left turns and those making right turns cross each other.
  [TLSI] There appears to be danger of wrong way traffic.
  [TLSI] Road is a continuous flow of traffic. It would make little impact on the entire flow of traffic by altering the mechanism of one intersection. On the contrary, it would only create a traffic jam in the next intersection.
  [TLSI] Does TLSI cost more to construct?
  [TLSI] For the lower level road, left turns are made from under the overpass. Making left turns below an overpass is not a common way of making left turns.
  [TLSI] Columns appear to be necessary in the middle of the lower level road to support the upper level road, and going straight and making left turns around the columns appear to pose problems in the TLSI.
  [TLSI] How are right turns made on the TLSI ?