sentences:  Instead it functioned primarily as a travel information bureau to entice tourists westward along the Trail.A few streets and roads retain the Yellowstone Trail name in the East, and some former sections remain as unimproved roads.In general, the "original" Yellowstone Trail garages and route signs are gone, though efforts to revive knowledge of the Trail in some sections of the country have been undergone in the 21st century for tourism reasons.