GB/T 920-2023: Code for highway pavement classification and type

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Scope

This document specifies the division principles, coding methods, and codes of highway
pavement grades and surface course types.
This document applies to the processing and exchange of information on highway
pavement grades and surface course types.

Basic Data

Standard ID	GB/T 920-2023 (GB/T920-2023)
Description (Translated English)	Code for highway pavement classification and type
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A24
Classification of International Standard	35.040
Word Count Estimation	10,174
Date of Issue	2023-03-17
Date of Implementation	2023-07-01
Older Standard (superseded by this standard)	GB/T 920-2002
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration