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...Skid resistance british pendulum tester and full scale tire friction test aim to measure surface frictional property of field pavement or laboratory samples reasons low with time during service under the effect repeated traffic o bleeding asphalt may take place especially in case voids high temperature aggregate suffer from polishing weak limestone changes over typically it increases first two years following construction as roadway is worn away by rough surfaces become exposed then decreases remaining life aggregates more polished procedure apply water area execute one swing without recording rewet five times record calculate average value srv mean readings constant three stiffness rubber slider will vary a correction has be made if not c eng ibrahim almohanna ce highway note http fac ksu edu sa ialmohanna suggested minimum values measured type site wet difficult sites such roundabouts bends radius less than m on unrestricted roads gradients steeper lengths greater approaches lights b...