Related Clues:

• Michigan, e.g., in Chicago: Abbr.
• Tpk.
• Columbus, in N.Y.C.
• Park in N.Y.C., say
• Hail or farewell
• Road atlas abbr.
• Blvd. cousin
• D.C.'s Pennsylvania, briefly
• Motorist's info: Abbr.
• Many a state name in D.C.
• Rd. way
• Broad st.
• Course: Abbr.
• Conductor's assignment: Abbr.
• MapQuest request: Abbr.