The elimination rate of 50 courses in three years is nearly 50%. The elimination rate is so high. It can be seen that it is not easy to test subway drivers. It is understood that. Future drivers must receive theoretical training for three months. 800 hours of workshop operation and real vehicle training. After two months of independent driving of 5000 kilometers. After theoretical knowledge, emergency troubleshooting and manual driving test. You must get more than 80 points in each exam to pass. If there is a door that can't get through. Will be eliminated.