INVESTIGATED 2 ACCIDENTS IN THE LAST 1-1/2 WEEKS ON 97 AND 98 HONDA ACCORD THAT WAS GOING AT HIGHWAY SPEEDS WHEN DRIVER SAID STEERING COLUMN LOCKED UP WHEN PASSING ANOTHER CAR. RESULTED IN HEAD ON COLLISION AT HIGHWAY SPEED. UNABLE TO FIND ANY PROBLEM WITH STEERING OR SUSPENSION PARTS ON EITHER CAR AT TIME OF INSPECTION. NLM