Recently, the crash-safety measures against the bus crew and the passengers came to be requested by the rise of demands for the crash-safety performances of automobiles.
In Japan, the guideline for the bus crash test was worked out in 1999. We started the research for the further safety of bus passengers. We are examining the bus crash safety which considers the actual situation of the bus where the seat belt wearing is not obligation for bus passengers. Sled tests of which the test parameters were seat belt, seat interval, and posture, etc. were done, the following conclusions are proposed.
The first row passenger: Three point seat belt effectiveness.
The second row and further back passenger: Improvement of two point seat belt effectiveness.
In this report, the test results, the consideration result of the current standard seen from the viewpoint of international harmonization, and the current research activities are described.