1988, R. Swarup, Ranveer Singh, Social economy of a tribal village on Indo-Tibetan border (page 13)Presently, there are 200 kms. motorable double line roads, 182 kms. motorable single line roads, 109 kms. jeepable roads and 197 kms. less than jeepable ones.
2000, G. Surya Rao, Urban development with community initiatives: retrospect and prospect (page 103)My Samithi Headquarters was not jeepable and one has to wallow across a small river to reach that place.