Kautilya's Arthashastra 2.4.4

2.4.4

rājamārgadroṇamukhasthānīyarāṣṭravivītapathāḥ samyānīyavyūhaśmaśānagrāmapathāś cāṣṭadaṇḍāḥ //

Roads leading to sayóníya (?), military stations (vyúha), burial or cremation grounds, and to villages shall be eight dandas in width.

Chariot-roads, royal roads, and roads leading to drónamukha, stháníya, country parts, and pasture grounds shall each be four dandas (24 ft.) in width.