// Static objects STATIC [ ROAD [ KIND = straightroad; ] ] // Dynamic objects DYNAMIC [ VEHICLE [ ID = vehicle1; KIND = car; INITDIRECTION = east; CHAIN [ EVENT [ KIND = driving_forward; ] ] ] VEHICLE [ ID = vehicle2; KIND = car; INITDIRECTION = east; CHAIN [ EVENT [ KIND = driving_forward; ] CRITICAL_EVENT [ KIND = stop; ] ] ] ] ACCIDENT [ COLLISION [ ACTOR = vehicle1, front; VICTIM = vehicle2, rear; ] ]