Heads of the International Road, Congress. The sixth congress of the permanent International Association of Road Congresses got under way with a large gathering from all corners of the earth. The meeting is presided over by the four men pictured, left to right, Monsieur Paul de Gavrian, Secretary General, Mr. Roy D. Chapin, President General, Monsieur Edmund Chai, Acting President General, and Mr. Thomas H. MacDonald, Secretary General of the Congress