Railrod crossing: stop singal bell sounds ⚫⚫ Railrod crossing: singal bell sounds railroad crossing up 🔴⚫ Railrod crossing: singal bell sounds railroad crossing down ⚫🔴 Railrod crossing: singal bell sounds railroad crossing down 🔴⚫ Railrod crossing: singal bell sounds railroad crossing down ⚫🔴 Railrod crossing: singal bell sounds railroad crossing up 🔴⚫ Railrod crossing: singal bell sounds railroad crossing up⚫⚫