School Bus Specifications - Texas Department of Public Safety

LIGHTSAll exterior lighting shall be securely attached to the body surface structure. A grommet typemounting may only be used for clearance and identification marker lights.ALTERNATELY FLASHING SIGNAL LAMPSThe bus shall be equipped with two (2) red lamps at the rear of the vehicle and two (2) redlamps at the front of the vehicle.A. In addition to the four (4) red lamps described above, four (4) amber lamps shall beinstalled so that one (1) amber lamp is located near each red signal lamp, at thesame level, but closer to the vertical centerline of bus. The system of red andamber signal lamps shall be wired with a master "on/off" switch so that when themaster switch is "on" the red lamps will automatically operate anytime the busservice door is opened. The amber signal lights, when manually activated, will ceaseoperation when the bus service door is opened and the red signal lamps operate.The red signal lamps shall be wired to ensure continued operation anytime themaster switch is in the "on" position, even if the ignition switch is in the "off"position. The area around the lenses of alternately flashing signal lamps extendingoutward from the edge of the lamp at a minimum of one (1) inch and shall be blackin color. An amber pilot light and a red pilot light shall be installed adjacent to thedriver controls for the flashing signal lamp to indicate to the driver which lampsystem is activated.B. All alternately flashing red and amber signal lamps shall be LED and enclosed in thebody in a readily accessible location.BACK UP LIGHTSThere shall be two (2) twelve (12) square inch minimum LED backup lights.BRAKE/TAIL LAMPSThe quantities, colors, requirements, and mounting of LED tail and stop lamps shall be inaccordance with FMVSS No. 108, except stop lamps shall be a minimum of thirty eight (38)square inches and mounted at approximately the belt line level of the bus. A set ofminimum four (4) inch tail/stop lamps shall be installed below the minimum of thirty eight(38) square inches set.CLEARANCE AND IDENTIFICATION LIGHTSLED clearance lights shall be mounted at the four (4) body corners, upper section, amberfront, and red rear. Intermediate amber units are required on all units over thirty (30) feet.The headlight switch shall activate the clearance lights.A. LED identification lights shall be mounted as follows; three (3) amber lights on thefront, three (3) red lights on the rear. Front and rear shall be grouped in ahorizontal row. Lamp centers shall be spaced not less than six (6) inches or morethan twelve (12) inches apart, mounted as close as practical to the verticalcenterline.B. All LED clearance and identification lights shall meet current SAE requirements andFederal Motor Vehicle Safety Standards and shall:1. Be a sealed type light.2. Be surface mounted with rust proof material guard unless recessed toprevent breakage.Section C-8