Crossword Puzzle Major transportation routes

Clue: Major transportation routes

Major mode of transportation? (JEEP with 4 letters)
Major transportation route (ARTERY with 6 letters)
Major part (LEAD with 4 letters)
Major paperback publisher (e.g. AVON with 4 letters)
Belgian site of three major WWI battles (YPRES with 5 letters)
Transportation org. (NSA with 3 letters)
Aladdin's transportation (CARPET with 6 letters)
Majority leader? (MORAL with 5 letters)
He became the first major leaguer with 3,000 hits in 1914 (HONUSWAGNER with 11 letters)
Major league swap (PLAYERTRADE with 11 letters)