PERSONS WHO LIVE IN SUBURBS TEND TO CHANGE THEIR ACCESS BEHAVIOR TO RAIL STATION ACCORDING TO TRAFFIC AND THEIR HOUSEHOLD CONDITIONS. THIS RESEARCH FOCUSES IN TO CLARIFY PATTERNS AND REASONS OF ALTERATIONS IN TRIP BEHAVIOR SUCH AS MODE CHOICE AND STATION CHOICE. THE FINDINGS ARE FOLLOWING; 1) ABOUT 50% OF SAMPLES EXECUTED THE ALTERATION MORE THAN ONE TIME PER MONTH. 2) THE DIFFERENCE OF TRIP BEHAVIOR BETWEEN “GO TO THE STATION” AND “BACK FROM THE STATION” IS CONFIRMED BY DISAGGREGATE BEHAVIORAL MODEL.
