\paperw5100 \margr0\margl0 \plain \fs20 \f1 \fs22 Representing some of the greatest achievements of Roman construction technique, the roads were generally straight and
set at a level raised slightly above that of the surrounding ground. Great efforts were made to keep them level, through the use of embankments and viaducts, and bridges and tunnels were built to overcome natural obstacles. At regular intervals of a Roma
n mile (1478.6 meters or 1617.6 yards) posts were set indicating the distance traveled. The layout of important Roman roads has remained almost unaltered down to the present day.\par
