noun
A document or card granting permission to enter, pass through, or travel. Covers backstage passes, security passes, transit permits, and similar authorizations. 'Passport' is a possible gloss in some contexts, but パスポート is more common for a national passport.
関係者以外は通行証がないと入れません。
Only authorized personnel with a pass can enter.
Please pick up your pass at the event venue.
A general permit or license; 通行証 is specifically for passage or entry.
Compound of 通行 (passage, transit) and 証 (certificate, proof).