CREATE TABLE table_16169 ("County" TEXT, "Location" TEXT, "Street Names" TEXT, "Milepost" TEXT, "Roads Intersected" TEXT, "Notes" TEXT)

Which street is 12.2 miles long?
SELECT "Street Names" FROM table_16169 WHERE "Milepost" = '12.2'
SELECT "Street Names" FROM "table_16169" WHERE "Milepost" = '12.2'