途轍もない[totetsumonai] extravagant
転轍[tentetsu] switching or shunting (of a rail car)
転轍手[tentetsushu] switchman
転轍機[tentetsuki] switch (of a railroad)
轍叉[tessa] railway frog

前轍[zentetsu] wheel tracks left by vehicles that have passed before
轍を踏む[tetsuwofumu] to repeat a mistake (of somebody)
前車の轍を踏む[zenshanotetsuwofumu] to repeat the mistake of somebody
前轍を踏む[zentetsuwofumu] to repeat the mistake of somebody

医療輸送機[iryouyusouki] medical transport (plane)
一籌を輸する[icchuuwoyusuru] to be inferior to
運輸[unyu] transportation
運輸省[unyushou] Ministry of Transport
運輸相[unyushou] Transport Minister

運輸大臣[unyudaijin] Minister of Transport
逆輸入[gyakuyunyuu] reimportation
禁輸[kinyu] embargo
空輸[kuuyu] air transport
軍事輸送[gunjiyusou] military transport