Tamil Nadu. The state highways originating from Cuddalore are SH-9 , (the Cuddalore- Nellikuppam - Melpattambakkam - Panruti -Madapattu- Thirukovilur - Thiruvannamalai - Polur - Vellore - Katpadi - Chittoor Road) SH-10 , (the Cuddalore- Vadalur - Neyveli - Vriddhachalam -Veppur- Salem Road) SH-68 , (the Cuddalore-Thiruvandipuram- Palur - Panruti -Arasur-Thirukovilur-