19 possible answers to
Answers with 3 characters: GAS INN SLO Answers with 4 characters: EATS EXIT SLOW STOP Answers with 5 characters: CURVE MERGE YIELD Answers with 6 characters: DETOUR GOSLOW Answers with 7 characters: NOENTRY NOUTURN Answers with 8 characters: RESTSTOP Answers with 10 characters: MERGERIGHT SCHOOLZONE Answers with 12 characters: NARROWBRIDGE Answers with 15 characters: YIELDRIGHTOFWAY