CSX milepost prefixes in Waycross, Georgia, 587 miles south of Richmond on the branch to Montgomery, Alabama (which splits near milepost 548 in Jesup). Three-letter prefixes are used for minor branches of these branches, or minor branches off the mainline - for instance ANA is the northernmost branch of AN. Before the ACL merged into the Seaboard Coast Line Railroad in 1967, none of the prefixes had the initial "A". The letters "I" and "Q" were skipped, and double-lettered prefixes (like KK, which would be AKK post-1967) were not used. A is given to the main line from Richmond, Virginia to Port of
Teeline Shorthand a streamlined way to transcribe the spoken word quickly by removing unnecessary letters from words and making the letters themselves faster to write. Vowels are often removed when they are not the first or last letter of a word, and silent letters are also ignored. Common prefixes, suffixes, and letter groupings (such as "sh" and "ing") are reduced to single symbols. The symbols themselves are derived from the old cursive forms of the letter and the unnecessary parts are again stripped leaving only the core of the letter left. Unlike phonetics based shorthands, such as Pitman, Teeline is a spelling