Show thirteen dangers highway engineers should remont engineers of the bureau of public roads of the united states department of agriculture who have made a close study of 0 the causes of 0 highway accidents in order that federal aid roads may be built as safely as possible have listed the following causes of accidents blind curves and road intersections sharp curves on embankments narrow bridges sharp convex vertical curves slippery road surfaces steep grades narrow road surfaces low or rough shoulders steep crowns sharp curves at bridge and underpass approaches grade crossings un curves this list takes into account only the dangers which the highway engineer should eliminate be removing the cause it if possible and it if this can not be done by erecting proper warning signs A complete solution of the problem can be effected only by building sate safe roads and educating drivers to use them in a sate safe way |