This specification is compiled based on the highway classification, main technical indicators and basic design requirements stipulated in the "Highway Engineering Technical Standards" (JTJ 01-1988) issued by the Ministry of Communications of the People's Republic of China. This specification applies to the route design of new and reconstructed highways.
JTJ 011-1994 history
2017JTG D20-2017 Design Specification for Highway Alignment
2006JTG D20-2006 Design Specification for Highway Alignment
1994JTJ 011-1994 Design Specification for Highway Route
JTJ 011-1994 Design Specification for Highway Route was changed to JTG D20-2006 Design Specification for Highway Alignment.