In 1865, when steam engine vehicles first hit the road, people in England immediately set a "steam engine law" to limit driving speed--6 km / hr in the suburbs, 3 km / hr in the city--even slower than walking.
一八六五年，蒸汽引擎車在歐洲初初上路，英國人即刻立了「蒸汽引擎法」來限制車速﹘﹘郊區六公里、市區三公里，比步行還慢。