1.
Study on Impact Experimentation of Highway Grade Enhancement to Highway Transportation in Jilin Province;
吉林省公路等级提高对公路运输影响试验研究
2.
Study on Graded Granular-Flexible Base of High-type Highway;
高等级公路柔性基层（级配碎石）的研究
3.
Code for classification and type of highway pavement
GB/T920-1989公路路面等级与面层类型代码
4.
Design and Construction of Complex Pavement of High Class Highway
高等级公路复合式路面的设计与施工
5.
Research that the Superhighway Road Surface Type Of Handan Selecting;
邯郸市高等级公路路面类型选用研究
6.
Study on the Method of Reconstruction of High Grade Highways Surface Line
改造高等级公路路面线形方法的研究
7.
The Application of FRCC Pavement to High-Grade Highway
FRCC复合式路面在高等级公路中的应用
8.
One side widening is suitable for low-grade road and double side widening is suitable for high-grade road.
低等级旧路宜采用单侧加宽而高等级公路采用双侧加宽更加有利。
9.
New roads should conform to their technical standards in grading.
新建公路应当符合技术等级的要求。
10.
Design and Study of Tunnel Luminary of High class Highway
高等级公路隧道照明工程设计与研究
11.
Research on Highway Interchange s Grade and System of Types in China;
我国公路立交等级及类型体系的研究
12.
The Settlement Analysis of Soft Clay Foundation in Seasonly Frozen Area;
季冻区高等级公路软土地基沉降分析
13.
Financing Modes Research for Highway Construction in GuiZhou Province;
贵州省高等级公路建设筹资问题研究
14.
Study on Vegetation Construction Techniques on Expressway Slope of Yunnan Province;
云南省高等级公路植被护坡技术研究
15.
Analysis of the Factor Influencing Toll Standard of High Grade Roadway;
影响高等级公路收费标准的因素分析
16.
On the construction process of international bidding for higher level roads;
浅谈国际招标高等级公路的建设过程
17.
The Application of Dynamic Weighing to High grade Highway Collecting Fees;
动态称重在高等级公路收费中的应用
18.
Analysis and Control of the Causes on Early Water Damage of Highway
高等级公路水损坏的原因分析与防治