MODERATE CONGESTION; SLOW TRAFFIC; WITH POLICE ACTIVITY CLEARED FROM THE SHOULDER, MORE DELAYS FROM EXIT 15  NORWALK  TO EXIT 13  DARIEN , EXIT 8 TO EXIT 7  STAMFORD ;   N B NEAR EXIT 17  WESTPORT    POLICE ACTIVITY CLEARED FROM THE SHOULDER, FARTHER NORTH AT EXIT 36  MILFORD    ACCIDENT; ALLOW EXTRA TIME.