1. Fuzzy mathematical programming for traffic safety planning on an urban expressway;Akiyama;Transportation Planning and Technology,1993
2. Akiyama, T., Tsuboi, H., 1996. Description of route choice behaviour by multi-stage fuzzy reasoning. Paper presented at the Highways to the Next Century Conference, Hong Kong.
3. Akiyama, T., Yamanishi, H., 1993. Travel time information service device based on fuzzy sets theory. In: Ayyub, B.M. (Ed.), Proceedings of ISUMA '93, The Second International Symposium on Uncertainty Modeling and Analysis. IEEE Computer Press, College Park, Maryland, pp. 238–245.
4. Akiyama, T., Nakamura, K., Sasaki, T., 1993. Traffic diversion model on urban expressway by fuzzy reasoning. Selected Proceedings of the Sixth World Conference of Transport Research, Lyon 92, pp. 1011–1022.
5. Traffic flow on urban networks with fuzzy information;Akiyama;Memorial Faculty of Engineering, Kyoto University,1994