| Mumbai CSMT–Nagercoil Express | |
| Type: | Express |
| Locale: | Maharashtra, Karnataka, Andhra Pradesh & Tamil Nadu |
| Operator: | Southern Railway |
| Start: | Mumbai CSMT (CSMT) |
| Stops: | 33 |
| End: | (NCJ) |
| Distance: | 1880km (1,170miles) |
| Journeytime: | 37 hours 15 minutes |
| Frequency: | 4 days per week |
| Class: | General, Sleeper, AC 3-tier, AC 2-tier |
| Seating: | Yes |
| Sleeping: | Yes |
| Catering: | Available |
| Observation: | Large windows |
| Baggage: | Available |
| Stock: | LHB coach |
| Gauge: | 1676 mm Broad Gauge |
| Trainnumber: | 16339 / 16340 |
| Speed: | 51km/h average including halts. |
| Sharing: | |
The 16339 / 16340 Mumbai CSMT–Nagercoil Express runs between Chhatrapati Shivaji Maharaj Terminus (CSMT) railway station at Mumbai, Maharashtra, and in Nagercoil, Tamil Nadu. The main cities on the way are Tirunelveli, Virudhunagar, Madurai, Salem, Katpadi, Pakala, Dharmavaram Anantapur, Guntakal, Adoni, Solapur, Pune, Lonavala, and Thane. This train covers a distance of 1880 km. Prior to COVID 19 lockdown, this train ran via Krishnarajapuram, Yelhanka. Still, after COVID, it was rerouted via Katpadi, Pakla there by completely skipping Bangalore, due to which Bangalore lost Mumbai Connection and Southern Tamil Nadu Connection simultaneously.
This train departs Nagercoil at early morning and travels through Tirunelveli, Madurai, Dindigul, Karur, Salem, Katpadi, Pakala, Dharmavaram, Guntakal, Wadi, Solapur, Pune, and reaches its destination Chhatrapati Shivaji Terminus (Mumbai CSMT) on next late evening.
A Royapuram/ Erode-based WAP-7 hauls this train from Nagercoil till Katpadi.
From Katpadi it is hauled by Kalyan-based WDP-4 / WDM-3D twins till its destination Chhatrapati Shivaji Terminus (Mumbai CSMT). This train will get reversed at Pakala in both directions.
It has LHB rakes with a maximum speed of 130 km/h.Maximum permissible speed: 110 km/h.
This train will be reversed at Pakala in both the directions.
It consist of 20 coaches: