ACCIDENT; RIGHT SHOULDER CLOSED; INVOLVED 3 VEHICLES; PD ON SCENE, NO MAJOR DELAYS   WB SLOW PAST PATCHOGUE HOLBROOK RD TO RONKONKOMA AV, OLD NICHOLS RD TO VETERANS HWY, AT MOTOR PKWY, COMMACK RD TO DEER PARK AV, ROUND SWAMP RD TO ROBBINS LANE, AT GLEN COVE RD   AT SEARINGTOWN RD; STAY LEFT.