research
97 valid questionnaires were 81 said school should strengthen the control of external vehicle, 83.5% of the total.14 says schools should strengthen the communication with society, appropriate ease restrictions on outside the vehicle into the campus, 14.4% of the total;Two said doesn't matter, almost no effect with their lives.
policemen direct signal light road traffic sign and markings
/Users/yilingzhang/Desktop/屏幕快照 2018-01-28 15.15.09.png
no control other safety facilities signal light and policemen and signal light
sign/markings
/Users/yilingzhang/Desktop/屏幕快照 2018-01-28 15.26.43.png
0%：other
1% : bus
7%: car
8%: motorcycle
15%: walk
69%: bicycle