+自驾游一路上学到的运动和节食，帮助小明解决了故障期间温度变化的问题。这是交通标志吗

(1)①此地18km；远离台州；②此处至台州段最高时速40k m/h；(2)t = s/v = 18km/40k m/h = 0.45h = 27min；(3)t = 10:30-9:00 = 1h 30min = 1.5h，V=80Km/h，S = vt = 80km/h×1.5h = 120km .