Glossary of Rail Transport Terms

0-9

Note: for 4-4-0, 2-6-4T, 0-4-4-0, etc. See Whyte notation or UIC classification

Definitions	Points of Interest
3-step protection (US): The protection given by a locomotive engineer to an employee working near, between, or under cars to which the locomotive is coupled. Step 1 - independent brake fully applied; Step 2 - reverser in neutral; Step 3 - turn off generator field (and/or notify the ground employee, depending on company-specific rules and locomotive type, that protection is provided). 10 wheeler or ten wheeler (US): A steam locomotive with a 4-6-0 wheel arrangement. 241 (US): Procession of a train past a stop signal with verbal permission from the dispatcher (derives from Rule 241, which is used to grant such permission under certain rule sets).

Definitions

Points of Interest

3-step protection (US): The protection given by a locomotive engineer to an employee working near, between, or under cars to which the locomotive is coupled. Step 1 - independent brake fully applied; Step 2 - reverser in neutral; Step 3 - turn off generator field (and/or notify the ground employee, depending on company-specific rules and locomotive type, that protection is provided).
10 wheeler or ten wheeler (US): A steam locomotive with a 4-6-0 wheel arrangement.
241 (US): Procession of a train past a stop signal with verbal permission from the dispatcher (derives from Rule 241, which is used to grant such permission under certain rule sets).

Glossary of Rail Transport Terms - 0-9