தமிழ்நாட்டில் போக்குவரத்து (Tamil Wikipedia)

Highways Department, Government of Tamil Nadu. "Wings of Highways Department". Archived from the original on 22 ஜூலை 2010. Retrieved 15 July 2010. {{cite web}}: Check date values in: |archive-date= (help)
Tamil Nadu Highways Department. "National Highways wing". Archived from the original on 3 மார்ச் 2011. Retrieved 15 July 2010.
Highways Department, Government of Tamil Nadu. "Highways Circle of Highways Department, Tamil Nadu". Archived from the original on 24 டிசம்பர் 2002. Retrieved 15 July 2010. {{cite web}}: Check date values in: |archive-date= (help)

web.archive.org (Global: 1^st place; Tamil: 1^st place)

Highways Department, Government of Tamil Nadu. "Wings of Highways Department". Archived from the original on 22 ஜூலை 2010. Retrieved 15 July 2010. {{cite web}}: Check date values in: |archive-date= (help)
Tamil Nadu Highways Department. "National Highways wing". Archived from the original on 3 மார்ச் 2011. Retrieved 15 July 2010.
Highways Department, Government of Tamil Nadu. "Highways Circle of Highways Department, Tamil Nadu". Archived from the original on 24 டிசம்பர் 2002. Retrieved 15 July 2010. {{cite web}}: Check date values in: |archive-date= (help)
"காப்பகப்படுத்தப்பட்ட நகல்". Archived from the original on 2015-09-05. Retrieved 2015-10-06.