Preface
This document is drafted in accordance with the provisions of GB/T1.1-2020 Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents.
Please note that some contents of this document may involve patents. The issuing authority of this document does not bear the responsibility of identifying patents. This document is proposed by the Ministry of Transport of the People's Republic of China.
This document is under the jurisdiction of the National Urban Passenger Transport Standardization Technical Committee (SAC/TC 529).
1 Scope
This document specifies the evaluation object and process of urban bus and trolley bus operation status, evaluation indicators and calculation methods, data requirements, bus and trolley bus operation status grading and evaluation results.
This document is applicable to the monitoring and evaluation of urban bus and trolley bus operation.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references. For dated reference documents, only the version corresponding to that date is applicable to this document; For undated references, the latest version (including all amendments) is applicable to this document.
GB/T 3977 Color Representation
GB/T 33171 Specification for Evaluation of Urban Traffic Operation
3 Terms and definitions
The following terms and definitions defined in GB/T 33171 apply to this document.
three point one
Urban bus and trolley bus performance.
three point two
Travel time
The time between the two ends of a road section when a motor vehicle passes.
three point three
Bus and trolley bus travel speed The average speed obtained by dividing the distance traveled by bus and trolley bus by the travel time.
Note: The unit is kilometers per hour (km/h).
three point four
Travel speed
The average speed of a motor vehicle between two endpoints of a road section.
4 Evaluation object and process
4.1 Evaluation object
4.1.1 The evaluation object of urban bus and trolley bus operation status always includes bus and trolley bus line network, road section of line network, line and line section.
5 Evaluation index and calculation method
5.1 Basic indicators and calculation methods
5.1.1 Average transport speed of bus and trolley bus line network
See formula (1) for the calculation method of average transport speed of bus and trolley bus line network.
6 Data requirements
6.1 Geographic information data
6.1.1 The station data shall at least include the number, name, type, longitude and latitude of the station, and the information of its area.
6.1.2 The section data shall at least include the section number, length
Contents of GB/T 41920-2022
Forword
1 Scope
2 Normative references
3 Terms and definitions
4 Evaluation object and process
5 Evaluation index and calculation method
6 Data requirements
7 Classification of urban bus and trolley bus operation status
8 Evaluation results
Appendix A (normative) Calculation method and steps of smooth speed of urban bus and trolley bus
Appendix B (normative) Three-stimulus value X, Y, Z comparison table for color representation of urban bus and trolley bus operation status
Bibliography
