Context: The numbered streets carry crosstown traffic. In general, even-numbered streets are one-way eastbound and odd-numbered streets are one-way west. Several exceptions reverse this. Most wider streets carry two-way traffic, as do a few of the narrow ones.

Question: Which streets are one-way eastbound?
Answer: even-numbered

Question: Odd-numbered streets are one-way in which direction?
Answer: west

Question: Do most wide streets carry one-way or two-way traffic?
Answer: two-way