• 道路どうろ — road / highway
• 線路せんろ — railway track
• 通路つうろ — passageway
• 進路しんろ — course / path
• 路線ろせん — route (bus, train)

The character 路 combines the radical 足 (foot) and 各 (each), suggesting the idea of a footpath traveled by many — a road or route. This kanji commonly appears in terms related to roads, transit, and directional flow.