@japanbyroad: Why is there an arrow under the speed limit? A viewer asked, so here's the answer. The arrow plate under a sign shows where the rule applies. → means the limit starts here. ← means it ends. It's the same as the plate that says ここから (from here). Follow for more of Japan's roads, signs and streets 🇯🇵 Drive safe, everyone 🙏 #japanroadsigns #drivinginjapan #osaka #osakajapan #japan