Tengjhih forest road had nearly damaged 1/3 long for Morakot typhoon bring the influence of ultra torrential rainfall. Influence forest conservation works and business turn over traffic of the nearby community, directly. It is caused to the mostly bad drainage and vertical and horizontal bottom erosion conduction by the ultra torrential rainfall in the forest road area this time, the result cause a large scale landslide on above slope. Beside to rebuild road foundation on the forest road rebuilding in the future and the gully in the above and down slope of road foundation should also be treated together. In the past the motor bus and bus for tourists in order to pass through, therefore cause the slope need larger side to dig and fill out and transfers crookedly and make maintenance expenses remain high of forest road. It must detail consider of rebuild and still keep the way like this road wide and designing grade in the future. The government of competent authority should consider and deicide as soon as possible in any ways for the pushing of rebuild works so as to favorable follow-up.
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