| Road Type | Highway Code | Route | Speed Limit (Cars) | Speed Limit (Buses and Trucks) |
|---|---|---|---|---|
| National Highways | NH 47 | Kollam – Thiruvananthapuram – Kanyakumari | 80 km/h (50 mph) | 80 km/h (50 mph) |
| NH 66 | Alappuzha – Thrissur – Kozhikode – Kannur | 80 km/h (50 mph) | 80 km/h (50 mph) | |
| NH 766 | Kochi – Salem | 100 km/h (62 mph) | 80 km/h (50 mph) | |
| NH 85 | Palakkad – Coimbatore | 100 km/h (62 mph) | 80 km/h (50 mph) | |
| Expressways | Thiruvananthapuram – Kottayam Expressway | Thiruvananthapuram – Kottayam | 110 km/h (68 mph) | 100 km/h (62 mph) |