Highway construction mainly involved widening the routes already being used by the light rail lines, and rail line operators rushed to get into the motor transport business. These entrepreneurs, using the large amounts of capital they earned from transportation, became important business people in the latter part of the Japanese colonial era.
而公路建設也都是在台車路線上加以拓寬而成，台車業者也紛紛轉而經營汽車業，這些交通運輸業者在日治後期都成為資本雄厚的商人。