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From page 1...
... 1 INTRODUCTION There has been interest for several decades in developing selection guidelines for the multiple performance, service or test levels for bridge railings in the roadside safety community. Since bridges cross over large spans of space they often cross significant features such as busy transportation corridors.
From page 2...
... 2 the process are presented at the end of the document with accompanying discussion and alternative selection tables for use in the establishment of policy. The recommendations are presented in their entirety in Appendix B for a quick reference.

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