I WAS ON AN ENTRY RAMP TO INTERSTATE 95 AND FOUND MYSELF A BIT OUT OF LINE IN THE ROAD AFTER I HAD TURNED TO CHECK ONCOMING TRAFFIC. I TRIED TO CORRECT, AND LOST STEERING CONTROL. CAR WENT INTO FISHTAIL FROM WHICH I WAS UNABLE TO RECOVER, AND EVENTUALLY SPUN OUT INTO ONCOMING INTERSTATE TRAFFIC, WHERE I WAS HIT BY A TRACTOR-TRAILER. ROADWAY WAS DAMP, WEATHER MISTY, TEMP MID-FORTIES, AND I BELIEVE THERE WAS SAND ON RAMP LEFT OVER FROM PREVIOUS SNOW/ICE TREATMENT. I MUST SAY OCCUPANT PROTECTION WORKED WELL. I HAVE CRACKED STERNUM (PROBABLY FROM AIRBAG; I AM A VERY SHORT DRIVER AND SIT WAY FORWARD) AND A KNOT ON MY FOREHEAD, 2 BLAKC EYES AND LOTS OF BRUISES, BUT WAS IN GOOD ENOUGH SHAPE TO BE TREATED AND RELEASED FROM ER. I DON'T KNOW IF STEERING OR SUSPENSION FAILURE OCCURRED, BUT WANTED YOU TO HAVE THE DATA POINT IN CASE YOU CAN DISCOVER A PATTERN.