交通費

1. Origins, structure, and basic meaning

• Structure: In 交通費 (こうつうひ), transportation 交通 and expense 費 combine to denote travel costs.
• Basic usage: 交通費 covers costs of transportation such as trains, buses, or taxis.

2. Common pitfalls and similar expressions

• Transportation costs
  • It is distinct from total travel expenses including lodging and meals; reimbursement rules or context set the exact coverage.