{"data":{"id":"us/49-cfr-38.39","jurisdiction":"us","citation":"49 CFR 38.39","heading":"Destination and route signs.","body":"(a) Where destination or route information is displayed on the exterior of a vehicle, each vehicle shall have illuminated signs on the front and boarding side of the vehicle.\n(b) Characters on signs required by paragraph (a) of this section shall have a width-to-height ratio between 3:5 and 1:1 and a stroke width-to-height ratio between 1:5 and 1:10, with a minimum character height (using an upper case “X”) of 1 inch for signs on the boarding side and a minimum character height of 2 inches for front “headsigns”, with “wide” spacing (generally, the space between letters shall be 1/16 the height of upper case letters), and shall contrast with the background, either dark-on-light or light-on-dark.","path":["Title 49—Transportation","Subtitle A—Office of the Secretary of Transportation","PART 38—AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY SPECIFICATIONS FOR TRANSPORTATION VEHICLES","Subpart B—Buses, Vans and Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"3f280c2347f827dab6e3ed8ba0880bd2bb84d9a7e2c29c75a3b4fb135b455105","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-38.37","next":"us/49-cfr-38.51"},"notice":"GroundRules: Original legal text. Not legal advice."}