Trench railways evolved to supply the enormous quantities of food, water, and ammunition required to support large numbers of soldiers in areas where conventional transportation systems had been destroyed.
Rel kereta parit berevolusi untuk pengiriman sejumlah besar makanan, air, dan amunisi yang dibutuhkan untuk memenuhi kebutuhan tentara-tentara di daerah tempat sistem transportasi konvensional telah dihancurkan.