3D: ドラッグで見回し・ホイールで遠近 (俯瞰)・ダブルクリックで正面に戻す / 地図の赤い矢印 (3D のカメラ) はドラッグで移動
Place pins on a real-world map to lay a fictional railway, build a timetable and drive it in 3D. It is free, needs no installation and runs in the browser on PC and smartphones.