Calculation method and system of traffic congestion degree

The invention discloses a traffic congestion degree calculation method and system, and relates to the technical field of intelligent high-speed traffic situation analysis and research and judgment, and the method comprises the steps: obtaining the real-time collection data of a detector of a to-be-detected road section and the real-time statistical data of an intermodulation station; obtaining the standard speed of the to-be-detected road section according to the real-time collected data of the detector and the real-time statistical data of the cross modulation station; acquiring road condition information and standard speed information of the to-be-measured road sections; calculating the average channel speed according to the standard speed of the road section to be measured and the road condition information of the road section to be measured, performing speed interval division on the average channel speed, and obtaining the road condition information of the road section to be measured in different speed in