[Code of Federal Regulations]
[Title 49, Volume 5]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR393.89]

[Page 432]
 
                        TITLE 49--TRANSPORTATION
 
                      DEPARTMENT OF TRANSPORTATION
 
PART 393_PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION--Table of 
Contents
 
              Subpart G_Miscellaneous Parts and Accessories
 
Sec.  393.89  Buses, driveshaft protection.

    Any driveshaft extending lengthways under the floor of the passenger 
compartment of a bus shall be protected by means of at least one guard 
or bracket at that end of the shaft which is provided with a sliding 
connection (spline or other such device) to prevent the whipping of the 
shaft in the event of failure thereof or of any of its component parts. 
A shaft contained within a torque tube shall not require any such 
device.

[33 FR 19735, Dec. 25, 1968, as amended at 53 FR 49402, Dec. 7, 1988]