level tangent track
1Track transition curve — The red Euler spiral is an example of an easement curve between a blue straight line and a circular arc, shown in green …
2North American railroad signals — Main article: North American railway signaling Baltimore and Ohio Railroad Color Position Light bracket masts at Magnolia, West Virginia North American railroad signals generally fall into the category of multi headed electrically lit units… …
3Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …
4Tractive force — As used in mechanical engineering, the term tractive force is the pulling or pushing force exerted by a vehicle on another vehicle or object. The term tractive effort is synonymous with tractive force, and is often used in railway engineering to… …
5Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
6Grade (slope) — d = run Δh = rise l = slope length α = angle of inclination This article is for the grade of a topographic feature or constructed element, for other uses see: Slope (disambiguation) The grade (also called slope, incline, gradient, pitch or rise)… …
7Centripetal force — Not to be confused with Centrifugal force. Classical mechanics Newton s Second Law …
8Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
9Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
10map — mappable, adj. mapper, n. /map/, n., v., mapped, mapping. n. 1. a representation, usually on a flat surface, as of the features of an area of the earth or a portion of the heavens, showing them in their respective forms, sizes, and relationships… …
