弾丸道路 だんがんどうろ Meanings Noun expressway; superhighway See also: 高速道路 (こうそくどうろ). Kanji 弾 bullet. Read as ダン. 丸 round. Read as ガン. 道 road. Read as ドウ. 路 route. Read as ロ. Jinuma: Japanese Dictionary · Word lists