往来

1. Origins, structure, and basic meaning

• Structure: Spelling: 往来. Reading: おうらい. Core meaning: traffic; passage.
• Basic usage: Representative examples: 朝になると、この通りは人の往来が激しくなる / 橋が完成し、川の両岸を自由に往来できるようになった.

2. Common pitfalls and similar expressions

• Movement back and forth
  • It can describe a flow of people coming and going or free movement between two places. Compared with 通行, which focuses on passage, it can emphasize movement back and forth.