| Abstract | Under flood events, the ground traffic is blocked in and
around the flooded area due to damages to roads and bridges.
The traditional transportation network may not always help
people to make a right decision for evacuation. In order to
provide dynamic road information needed for flood rescue, we
developed an adaptive web-based transportation network
application using Oracle technology. Moreover, the geographic
relationships between the road network and flood areas are taken
into account. The overlay between the road network and flood
polygons is computed on the fly. This application allows users to
retrieve the shortest and safest route in Fredericton road
network during flood event. It enables users to make a timely
decision for flood rescue. We are using Oracle Spatial to deal with
emergency situations that can be applied to other constrained
network applications as well. |