Most signal mechanics who work for the larger railroads are required to belong to a union—usually the Brotherhood of Railroad Signalmen. Those who work for the smaller railroads are typically nonunionized. The Association of American Railroads and the American Short Line & Regional Railroad Association are membership organizations for railroads.
Vault partners with thousands of colleges, universities and academic institutions to provide students with FREE access to our premium content. To determine if your school is a partner, please enter your school email address below.