Until the construction of the Kalka–Shimla Railway, the only way to get to the Shimla hill station was on the so-called Cart Road – a slow, winding trail trodden by lines of long-suffering porters and horse-drawn tongas. By the time the 96km narrow-gauge line was completed in 1903, 103 tunnels, 24 bridges and 18 stations had been built between Shimla and the railhead at Kalka, 26km northeast of Chandigarh. These days, buses may be quicker, but a ride on the “toy train” is far more memorable – especially if you travel first-class, in one of the glass-windowed rail cars. Hauled along by a tiny diesel locomotive, they rattle at a leisurely pace through stunning scenery, taking between five and a half and seven hours to reach Shimla.

Along the route, you’ll notice the guards exchanging little leather pouches with staff strategically positioned on the station platforms. The bags they receive in return contain small brass discs, which the drivers slot into special machines to alert the signals ahead of their approach. “Neal’s Token System”, in place since the line was first inaugurated, is a fail-safe means of ensuring that trains travelling in opposite directions never meet face to face on the single-track sections of the railway.

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