Under the Road Traffic Act, what is the penalty fine for a 4.5-ton truck that fails to take measures to keep its load from falling?

Answer: ① 50,000 won

Drivers must secure their load so it cannot fall off. For a truck over 4 tons, failing to do so carries a 50,000-won penalty fine, and 4.5 tons is in that class. [Road Traffic Act, Art. 39(4); Enforcement Decree, Annex 8]