On September 22,2015, the World Car-Free Day, BJMTR togehter with the International Security and Defense College to enter Baijiazhuang Primary School to hold a “Green Travel Safety Guide” – Subway Safety Classroom. This event is the first time for the “Safe Classroom” project of BJMTR themed "escaping safely in subway". The subway safety knowledge will be introduced to the students from Grade 1 to Grade 2 of Baijiazhuang Primary School and further enhance the safety awareness of teachers and students to improve the ability to respond to sudden events.