Cuddalore is connected to other parts of Tamil Nadu through rail and road networks. Frequent buses run to nearby towns. Roads include: National Highway NH 32 (Chennai - Tindivanam - Pondicherry - Cuddalore - Chidambaram - Nagapattinam - Velankanni - Thondi - Ramanathapuram - Sayalkudi - Thoothukudi Highway) passes through Cuddalore. Three state highways connected to other parts of Tamil Nadu: SH-9, (the Cuddalore–Nellikuppam–Melpattampakkam–Panruti–Madapattu–Thirukovilur–Tiruvannamalai–Polur–Vellore–Katpadi–Chittoor road) NH-532, (the Cuddalore-Vadalur-Neyveli-Vriddhachalam-Veppur-Salem Road) SH-68, (the Cuddalore-Thiruvanthipuram-Palur-Panruti-Arasur-Thirukovilur-Sankarapuram Road)
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