Stop Signal Arm Panel

Section 442 Section 442.285  Stop Signal Arm Panel a)         A stop signal arm panel must be installed on the left side of the bus that conforms to 49 CFR 571.131.    Decals may be used in lieu of painting.  Strobe lamps are acceptable on stop signal arm panels.  See Appendix E for example. b)         Additional stop signal arm panels may be added at the purchaser's request.  Additional panels must be located on the left side of the bus. Additional panels must operate in conjunction with the required panel and meet all stop arm panel requirements except as follows.  The additional panel must not contain any marking or reflective material on the front side of the panel.  The additional panel must be located in the rear half of the bus adjacent to the rearmost window.