Notice of RetractionResearch on security measures under overpass bridge

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

In order to improve the safety of opening traffic under overpass bridge, on account of the accidents characteristic which occurs under overpass bridge, refer to the related national standards of traffic safety facilities designation, the research was made from the standpoint of induction from the line of sight, warning signs and markings and barrier protection, and the corresponding solutions were proposed. According to the layout characteristics of overpass bridge and highway, compared with the preferred method of the program, summed up the optimal matching attribute of traffic safety protection programs which were adapt to current and future traffic state under different types overpass bridge.