encyclopedia

ROLL BY

To perform a safety inspection of a moving train, as by employees on other trains or engaged in work along the track. A requirement for all employees who are in a position to do so.

ROLLER BEARING

A wheel bearing comprised of sets of steel cylinders rolling on races, lubricated by grease and sealed from dust and moisture. Roller bearings are required for interchange freight cars in the 1990s because they are much more reliable than solid…

ROLLING AGENDA

This is an internal working document generated by departments in order to provide staff with a “look ahead” of projects and/or activities within a unit. It also identifies lead project staff assigned to items as well as submittal timeline.

ROLLING STOCK

Refers to any powered or unpowered vehicle that travels on a railway. This category includes passenger rail cars and locomotives.

ROLLING STOCK BUS

The revenue vehicles used in providing transit service for passengers. The term revenue vehicles includes the body and chassis and all fixtures and appliances inside or attached to the body or chassis, except fare collection equipment and revenue vehicle movement…