State Highways or RC Roads[1] are the major roads next to National Highways in Puducherry District designated with numbering. Public Works Department (PWD),[2] Puducherry is primarily responsible for planning, design, construction and maintenance of RC Roads.
PWD operates through 3 divisions for maintaining RC Roads namely-
| Sl. No. | RC Number | Route | Length (km) |
|---|---|---|---|
| 1 | RC-1 | Boulevard Roads | 5.29 |
| 2 | RC-2 | Puducherry - Cuddalore Road (part) (Subbaiah Salai junction to Marapalam junction via Colas Nagar and Uppalam) | 2.655 |
| 3 | RC-3 | Puducherry - Villupuram Road (part) (Goubert Avenue to Indira Gandhi Circle via Lal Bahadur Sastri Street and Maraimalai Adigal Salai) | 3.3 |
| 4 | RC-4 | Puducherry - Vazhudavoor Road (RC-4) Goubert Avenue to Koonichempet state border via Nehru Street and Kamaraj Salai | 25.916 (including 7.577 km in Tamil Nadu) |
| 5 | RC-5 | Pondicherry - Marakanam Road (RC-5) (Part) Subbaiah Salai junction to Muthialpet state border) via Mahatma Gandhi Road | 3.5 |
| 6 | RC-6 | Puducherry - Tindivanam Road (upgraded as NH-66) | 3.55 km |
| 7 | RC-7 | Suthukeny Road | 7.700 (including 1.753 km in Tamil Nadu) |
| 8 | RC-8 | Puliansalai Road | 0.966 |
| 9 | RC-9 | Kosapalayam Road | 0.768 |
| 10 | RC-10 | Ellapillaichavady Road excluding portion of NH-66 | 0.45 |
| 11 | RC-11 | Muthirapalayam Road | 1.386 |
| 12 | RC-12 | Sanyasikuppam Road | 18.198 (including 7.370 km in Tamil Nadu) |
| 13 | RC-13 | Vadhanur Road | 10.515 (including 2.350 km in Tamil Nadu) |
| 14 | RC-14 | Mill Road | 1.259 |
| 15 | RC-14 Bis | Bharathi Mill Road | 0.49 |
| 16 | RC-15 | Karamanikuppam Road | 1.74 |
| 17 | RC-16 | Koodapakkam Road | 4.488 |
| 18 | RC-16 Bis | Car Streets of Villianur Temple | 1.086 |
| 19 | RC-17 | Murungapakkam–Villianur Road | 6.416 |
| 20 | RC-18 | Villianur–Bahour Road | 11.415 (including 0.994 in Tamil Nadu) |
| 21 | RC-19 | Mangalam–Embalam–Maducarai Road | 18.565 (including 5.748 Tamil Nadu) |
| 22 | RC-20 | Thavalakuppam–Embalam Road | 9.123 (including 1.637 Tamil Nadu) |
| 23 | RC-21 | Frontier Road | 30.663 (including 3.306 Tamil Nadu) |
| 24 | RC-22 | Paththukannu–Sedarapet Road | 4.307 |
| 25 | RC-23 | Vaithikuppam Road | 0.922 |
| 26 | RC-24 | Muthiyalpet–Lawspet Road | 4.112 |
| 27 | RC-25 | Ariyankuppam - Nonankuppam Road | 0.484 |
| 28 | RC-26 | Ariyankuppam – Veerampattinam Road | 2.005 |
| 29 | RC-27 | Kirumampakkam–Bahour Road | 4.6 |
| 30 | RC-28 | Kanniakoil–Bahour Road | 3.661 |
| 31 | RC-29 | Villianur–Villupuram Road (Part) from Villianur Marie to junction of new bypass road | 0.835 |
| 32 | RC-30 | Sembiapalayam–Kizhur Road | 7.094 |
| 33 | RC-31 | Bahour–Karaimedu Road | 0.774 |
| 34 | RC-32 | Mannadipet–Thirukkanur Road | 2.46 |
| 35 | RC-33 | Pakkam–Cuddalore Road | 1.15 |
