Data completion for improved OD-estimation

A method for OD estimation in road networks was described which uses additional information ascertained at the intersections level. The additional information is determined by combining detected flow data and information of the signal timing. Furthermore, this data is also propagated to the circumjacent links, so that the set of links on which the net wide OD estimation is based could be enlarged. The improvement of additional information on OD estimation and assignment was shown on a small test net consisting of 4 OD pairs.