gauntlet, minefield, phalanx, maze, rigmarole, hordes, meat grinder, slog, throngs, thicket, gaggle, swarm, indignities, trudge, wringer, slowpokes, labyrinth, buzzsaw, roadblocks, barrage, gamut, wend, straggle, conga line, rigors, tightrope, ordeals, homestretch, tiptoe, miasma, tedium, busload, checkpoint, odysseys, cutthroat, traffic jam, crawl, amok, gapers, bushwhack, muddle, netherworld, wade, chilkoot pass, obstacles, tunnel, maelstrom, hucksters, scads, dawdlers, shoe leather, roomful, crucible, nightmare, reams, warren, archway, escorts, zigzag, tangle, maw, hallways, hustlers, waddle, headlong, slimiest, mountebanks, walk, purgatory, scurry, smorgasbord, grind, hassles, snarl, quagmire, morass, shmooze, myriad, tar pit, aisles, gate, paces, retching, madhouse, traverse, strumpets, kamikaze, bunch, quicksand, passel, browbeating, iditarod trail, hoards, queues, twilight zone, vetting, pitfalls, helter, hodgepodge, turnstile, piranhas, blabby, ordeal, riot, scourges, melee, blizzard, blizzards, brawl, earnest, hail, hangover, havoc, hurricane, pangs, persecutions, scourge

railroad track, railway