ACCIDENT; RIGHT SHOULDER CLOSED; SLOW   VETERANS HWY, EXIT51 DEER PARK AV  CENTER LANE STALLED TRACTOR TRAILER REPORTED ,  EXIT 50 BAGATELLE RD TO EXIT 49 RT 110  SUV BLOCKS HOV LANE   PREGNANT DRIVER HAVING CONTRACTIONS ; SLOW THROUGH SEAFORD OYSTER BAY XPWY, GLEN COVE RD,   QUEENS LINE; STAY LEFT.