1, stop signal:

Left arm straight forward and upward, palm forward, not allowing the vehicle in front to pass.

2, straight ahead signal:

Left arm to the left, palm forward; right arm to the right, palm forward, swing to the left, the right side of the straight ahead of the vehicles allowed to pass.

3, left turn signal:

Right arm forward flat, palm forward; left arm and palm straight to the right front swing, palm to the right, authorize vehicles to turn left, in the case of not impeding the release of vehicles can turn around.

4. Left Turn Signal:

Left arm is extended to the lower left, palm down; left arm and palm swinging straight down, permitting vehicles making a left turn to enter the intersection on the left, approaching the center of the intersection along the direction of the left turn, waiting for the left turn signal.

Expanded

Traffic Police Command Center is the city's traffic management command center, assuming the maintenance of traffic order, disposal of traffic incidents, crack down on traffic violations, publicity traffic safety and other work, is the city's social security prevention and control system is an important part. With the city's resident population and motor vehicle ownership continues to rise, road traffic congestion and smooth, rapid disposal of traffic incidents, traffic violations, traffic safety concepts of propaganda and other work is facing a more serious situation.

In this context, Xi'an traffic police in-depth research Xi'an Traffic Police Command Center work, a comprehensive grasp of the shortcomings and needs of the work, and actively engage domestic experts in the field of intelligent transportation, scientific development and release of Xi'an Traffic Police Intelligent Transportation Three-Year Plan, put forward the "situation refers to the diligence of supervision and publicity," the construction of a modern five-one diligence objectives.

These are the main goals of the Xi'an Traffic Police.

The Xi'an Traffic Police "City Brain" Command Center as a hand, together with Century Qualcomm, a professional big data company under the four-dimensional map, continue to carry out the innovative application of big data, artificial intelligence, data visualization, Internet + technology in the field of traffic control, and make every effort to create a "research and judgment with data, decision-making with data, and governance with data, The new model of urban traffic management is to use data to make decisions and to govern with data.

Baidu Encyclopedia - Traffic Police Command Gestures