MINOR CONGESTION; THEN SLUGGISH   SAGTIKOS PKWY  EARLIER CRASH ,   SEAFORD OYSTER BAY XPWY,   GLEN COVE RD TO WILLIS AV  EB DELAYS   WILLIS AV   SUNNYSIDE BLVD;  STALLED WHITE VAN BEING CLEARED FROM CENTER LANE  BETWEEN EXIT 48 ROUND SWAMP RD   EXIT 49 RT 110.