2005 Model Commercial Driver’s License Manual  4.6 – Use of Brake-door Interlocks  Urban mass transit coaches may have a brake and  accelerator interlock system. The interlock applies  the brakes and holds the throttle in idle position  when the rear door is open. The interlock releases  when you close the rear door. Do not use this  safety feature in place of the parking brake.  These questions may be on your test. If you can’t  answer them all, re-read Section 4.  Section 4  Test Your Knowledge  1.  Name some things to check in the interior of a  bus during a pre-trip inspection.  2.  What are some hazardous materials you can  transport by bus?  3.  What are some hazardous materials you can’t  transport by bus?  4.  What is a standee line?  5.  Does it matter where you make a disruptive  passenger get off the bus?  6.  How far from a railroad crossing should you  stop?  7.  When must you stop before crossing a  drawbridge?  8.  Describe from memory the “prohibited  practices” listed in the manual.  9.  The rear door of a transit bus has to be open  to put on the parking brake. True or False? 