place
The Siberian Highway
the Siberian highway
also: Сибирский тракт, Siberian tract
The Great Siberian Road (Сибирский тракт), the overland post route Chekhov travels by carriage across Siberia toward the Pacific; the setting for the letter's extended description of the physical ordeal of long-distance carriage travel -- sleeplessness, garlic-breathed drivers, dozing upright through the jolting.