Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.
22 and well documented in the RSAPv3 Engineerâs Manual and new EFCCRs can be easily added to RSAPv3. As new EFCCRs are developed, these EFCCRs should be incorporated into RSAPv3. The capacity of longitudinal barrier is of paramount importance to modeling roadside encroachments and crashes with these barriers. These data are used in determining the probability of penetrating a barrier. While researchers have been performing crash tests for more than half a century, the actual capacity of most roadside hardware is unknown. Much research has been conducted on the probability of rollover for various roadside slopes when a barrier is not involved, however, there is still a limited understanding of how this probability changes for different slopes and vehicles. An improved understanding of these elements of roadside crashes will improve the modeling capabilities of RSAPv3. As new research is conducted and data gathered to address these deficiencies, these results should be compiled in accordance with the data specifications contained in the Programmerâs Manual and added to RSAPv3. CONCLUSION While the basic encroachment-collision-severity approach used in prior versions of RSAP was retained, every method and procedure used in RSAPv3 was completely rewritten to take advantage of both the latest roadside safety research and the latest programming techniques. The program has been written specifically to allow for easy updating of the program through look-up tables such that the actual code should rarely need to be modified. This makes RSAPv3 not only a useful tool for performing roadside safety benefit-cost analysis but it also provides a mechanism for incorporating new research and new data into the program in the future. RSAPv3 is not only a benefit-cost program but it is also a means for disseminating the latest research about roadside safety to researchers, policy makers and practitioners in the field. This report and its appendices completely document the methods and procedures used to develop RSAPv3 and a selection of example cases have been provided to illustrate the use of the program.
