Arthashastra
पथि प्रमाणं दुर्ग निवेशे व्याख्यातम् ॥
(Blocking the roads.) Forms of roads and paths have been dealt with in connection with the construction of forts.
english translation
pathi pramANaM durga niveze vyAkhyAtam ॥
hk transliteration by Sanscript