由图知车的运动时间:t=12h25min-9h25min=3h,汽车行驶的路程:s=27582km-27462km=120km,则汽车的平均速度:v= s t = 120km 3h =40km/h,∵v<54km/h,∴不违反交通规则.故答案为:40;不违反.