Lionel Railroad Signs 5-Pack O Gauge Model Train Accessory will aid in alerting any train engineer of upcoming actions required for safety via the rails. Be sure to add these railroad signs to your train display. Pack includes (1) Highway-Light Rail Transit Grade Crossing Sign, (1) Low Ground Clearance Sign, (1) No Train Horn Sign, (1) Look For Trains Sign, and (1) Trains May Exceed 80 MPH Sign. These realistic designed railroad signs are compatible with Lionel O Gauge and feature five yellow signs with black lettering.