Related Clues:

• C and D, in D.C
• Parts of P.O. addresses
• IRT stops may be named for them
• Country rtes
• Relatives of aves
• Hwys., e.g
• Bourbon and others: Abbr
• GPS lines (Abbr.)
• Sts
• Baker and Beale (abbr.)
• Many are named after M.L.K
• N.Y. and Calif
• Many are numbered in NYC
• Urban rtes
• 22 of 26 letters, in DC