Highway agencies attempt to apply efficient accounting systems to help improve the transparency of their budget allocation and their overall performance. The accrual accounting system has been adopted to substitute the cash accounting system by many central governments around the world. The...

On December 26, 2004, countries in the Indian Ocean basin were struck by a tsunami generated by a large magnitude earthquake just south of the western tip of Sumatra. Observations made during a post-tsunami visit to coastal Thailand suggest that the value of the proposed emergency warning system...

Estimation of trip tables and other matrices that are subject to constraints is a common practical problem. This note reviews four common estimation methods: (1) minimization of the sum of absolute deviations, (2) the biproportional technique, (3) information minimization and (4) constrained...