Transit bus maintenance and repair is critical to keeping bus lines running smoothly. In the event of a serious accident, such as a head-on collision, roll-over, or fire, a transit bus may have major structural damage as well as issues with which we have at Antich Automotive electrical components-handling these repairs requires special training and knowledge,. Shuttle Bus Contract Only Operations, Bus Maintenance, Bus Repairs & Bus Parts. Expert shuttle and tour bus mechanics. On-road emergency service and in-shop service. Contract shuttle bus services.