Fig 1.
The designed investigation content for rural road sections.
Fig 2.
Rural roads network within the study area.
(Republished from TransCAD under a CC BY license, with permission from Caliper Corporation, original copyright 2024).
Table 1.
Basic information of major road sections.
Table 2.
Illustrations for typical rural road cross-section type.
Fig 3.
Different isolation forms of dual carriageways.
Fig 4.
Pavement cracks on rural roads with cement pavement.
Fig 5.
Representative three-carriageway rural road with barriers.
Fig 6.
Major traffic signs and facilities on Biata Road.
Fig 7.
Major traffic signs and facilities on X302 Road.
Fig 8.
Major traffic signs and facilities on Jianshe Road.
Table 3.
Standard shape sizes for typical signs in rural area.
Fig 9.
The requirements for the angles of specific traffic signs.
Fig 10.
The installation standards of branch way posts.
Fig 11.
Necessary signs missed on current rural roads.
Fig 12.
The undirected network topology of studied rural roadnet.
Fig 13.
The degree and clustering coefficient of network nodes.
Fig 14.
The length distribution of shortest paths.
Table 4.
Key indicators comparison among rural road network.
Table 5.
The quantifiable auxiliary indicators related with traffic safety.
Table 6.
The fundamental items related with traffic safety.
Fig 15.
The sight triangle at the T-crossing of branch way and the main road.
Fig 16.
Path guidance at different locations around blockage area.
Fig 17.
Propose framework for rural road management system.
(The two maps are republished from TransCAD under a CC BY license, with permission from Caliper Corporation, original copyright 2024).