SUMMARY OF THE RESULTS OF CRASH TESTS PERFORMED ON THE CONNECTICUT IMPACT ATTENUATION SYSTEM (CIAS). INTERIM REPORT

This report summarizes the results of nine full-scale crash tests performed on the Connecticut Impact Attenuation System (CIAS). Tests were performed in accordance with the requirements of TRB Circular 191 and NCHRP Report 230. Design changes based on the data produced from the tests are outlined. A final system configuration is developed and recommended.