What CMV group is a driver of an articulated motorcoach (bus) with a GVWR of 26,001 pounds or more required to possess?

§383.91 – Commercial Vehicle Groups

Guidance Q&A

Question 4: What CMV group is a driver of an articulated motorcoach (bus) with a GVWR of 26,001 pounds or more required to possess?

Guidance: A driver of an articulated bus with a GVWR of 26,001...

How does an existing pillow bearing (shaft support) on a multiple driveshaft system affect the requirement?

Section § 393.89: Buses, driveshaft protection.

Question 3: How does an existing pillow bearing (shaft support) on a multiple driveshaft system affect the requirement?

Guidance: It does not affect the requirement. It is part of the requirement.

On multiple drive shaft buses, does § 393.89 require that all segments of the drive shaft be protected no matter the segments’ length?

Section § 393.89: Buses, driveshaft protection.

Question 2: On multiple drive shaft buses, does § 393.89 require that all segments of the drive shaft be protected no matter the segments’ length?

Guidance: Yes. Each drive shaft must have one guard or...

For the purposes of § 393.89, would a spline and yoke that is secured by a nut be considered a sliding connection?

Section § 393.89: Buses, driveshaft protection.

Question 1: For the purposes of § 393.89, would a spline and yoke that is secured by a nut be considered a sliding connection?

Guidance: No. To be considered a sliding connection, the spline must be able to...

May a bus being operated by a for-hire motor carrier of passengers, under contract with a governmental agency to provide transportation of prisoners in interstate commerce, be allowed to operate with security bars covering the emergency push-out windows a

Section § 393.62: Emergency exits for buses.

Question 1: May a bus being operated by a for-hire motor carrier of passengers, under contract with a governmental agency to provide transportation of prisoners in interstate commerce, be allowed to operate with security...

Commercial Driver’s License Standards; Regulatory Guidance Concerning the Passenger Endorsement Standards, 80 Fed. Reg. 30163 (May 27, 2015)

Regulatory Guidance

Federal Register Title and Cite

Commercial Driver’s License Standards; Regulatory Guidance Concerning the Passenger Endorsement Standards, 80 Fed. Reg. 30163 (May 27, 2015)

The Federal Register text can be found on the Federal...

Large Truck and Bus Crash Facts 2016 - PDF

CMVRTC: Motorcoach Tire Analysis

Serious Vehicle Defects - Large Truck and Bus Traffic Enforcement

This module of the Large Truck and Bus Traffic Enforcement course focuses on identifying potential indicators of serious vehicle defects.

Personal Safety - Large Truck and Bus Traffic Enforcement

This module of the Large Truck and Bus Traffic Enforcement course focuses on identifying safety considerations that apply before, during, and after a vehicle stop.