Yesvantpur–Lucknow Superfast Express (via Perambur)

The 12539 / 12540 Yesvantpur–Lucknow Superfast Express (via Perambur) is an Superfast Express superfast train belonging to Indian Railways South Western Railway zone that runs between Yesvantpur Junction and Lucknow Junction in India.

It operates as train number 12549 from Yesvantpur Junction to Lucknow Junction and as train number 12540 in the reverse direction serving the states of Karnataka, Tamilnadu, Andhra Pradesh, Telangana, Maharashtra, Madhya Pradesh and Uttar Pradesh. From October 2021, it was diverted to run via Perambur Chennai, instead of Renigunta.

Coaches
The 12539 / 40 Yesvantpur–Lucknow Express has one AC 2-tier, two AC 3-tier, 8 sleeper class, six general unreserved and two SLR (seating with luggage rake) coaches and two high capacity parcel van coaches. It does not carry a pantry car.

As is customary with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.

Service
The 12539 Yesvantpur Junction–Lucknow Charbagh Express covers the distance of 2540 km in 46 hours 00 mins (55 km/h) and in 44 hours 40 mins as the 12540 Lucknow Charbagh–Yesvantpur Junction Express (57 km/h).

As the average speed of the train is slightly above 55 km/h, as per railway rules, its fare includes a Superfast surcharge.

Rake sharing
16565/16566 – Yesvantpur–Mangalore Express

Routing
The 12539 / 40 Yesvantpur–Lucknow Express runs from Yesvantpur Junction via Jolarpettai Junction, Perambur (Chennai), Vijayawada Junction, Warangal, Balharshah Junction, Itarsi Junction, Jabalpur Junction, Prayagraj Junction (Allahabad), Pratapgarh Junction, Rae Bareli Junction to Lucknow Charbagh.

Traction
As the route is fully electrified, it is hauled by a Krishnarajapuram Loco Shed or Kanpur Loco Shed based WAP-7 electric locomotive powers the train from end to end.