1. Faiz AJ (2012) The promise of rural roads: Review of the role of low-volume roads in rural connectivity, poverty reduction, crisis management, and livability. Transportation Research Circular E-C167, Transportation Research Board, Washington, DC, USA. https://onlinepubs.trb.org/onlinepubs/circulars/ec167.pdf
2. MORTH (2021) Road transport year book 2017–18 and 2018–19. Transport Research Wing, Ministry of Road Transport and Highways, New Delhi, India. https://morth.nic.in/sites/default/files/RTYB-2017-18-2018-19.pdf
3. CIA (2023) The world fact book, field listings – Roadways. https://www.cia.gov/the-world-factbook/countries/united-states. Accessed 6th June 2023.
4. Skorseth K, Reid R and Heiberger K (2015) Gravel Roads: Construction and Maintenance Guide. US Department of Transportation, Federal Highway Administration, Washington DC, USA. https://www.fhwa.dot.gov/construction/pubs/ots15002.pdf
5. Paige-Green P, Pinard M, Netterberg F (2015) A review of specifications for lateritic materials for low volume roads. Transp Geotech 5:86–98. https://doi.org/10.1016/j.trgeo.2015.10.002