Main Line
A railway route interconnecting locations of major importance.
Mallard ...
Main Line is a collection of towns in the western suburbs of Philadelphia named after the Main Line of the Pennsylvania Railroad (currently Amtrak's Keystone Corridor and SEPTA's R5 line).
History ...
Main line: is the primary track that defines the railway and which connects the railway's most important destinations. It does not include spurs, branch lines, yards, sidings, or passing tracks.
Main Line - The most heavily traveled sections of a railroad.
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main line — the primary route or most heavily used tracks of a railroad.
meter — electric — a gauge used to measure the flow of electric current.
Main Line (also Main Iron, Main Stem, Main Track)
Primary rail line over which trains operate between terminals. It excludes sidings, and yard and industry tracks.
Main line
The track serving as the main route for trains. Some heavy-use lines have two or more main tracks.
Maintenance of way equipment ...
Main line, or Main track
The principal running track of a railroad, as contrasted with sidings, spurs, and yard tracks.
Maintenance of way ...
Main line Portion where travel is heaviest.
Module A section built to dimensions and standards, to be included with other modules in a large layout. N-Trak is one.
MOW Maintenance of Way Used by railroads to maintain the tracks.
Main Line Diesel Cab Units (F3, F7 or FA) - 3
Marx 897, 494/496, 391, 591, 3000 tinplate steam locos
Marx 333 and 1029 steam locos ...
Main Line (Main Iron, Main Stream, etc.)
Through trackage; governed by rules and restricted to travel only by scheduled trains or trains operating with train orders.
Main Pin ...
Main line or high speed track of a system of main line tracks.
High Rail
1. A vehicle that can be driven on the highway or railroad. Also known as Hi-rail and Hy-rail.
2. The outer or elevated rail of a curved track.
The Main Line is running in a roughly southeast/northwest configuration right now. Most of the block signals along this portion of the route are the color position light variety, the same type the B&O was famous for using.
Main Line - (also Main Iron, Main Stem, Main Track, etc.) - Through trackage; restricted by rules to travel only by scheduled trains or those trains with train orders or on a schedule.
Four main line trains can be moved around the layout at once by the cab operators located in an elevated tower along the south wall of the building. Electrical power to the trains is supplied by a plug and jack system.
Mainline or Main line: The principal artery of a railway system.
Main rod (US): The drive rod connecting the crosshead to a driving-wheel or axle in a steam locomotive. Connecting rod (UK).
HIGH IRON"Main line or high-speed track (which is laid with heavier rail than that used on unimportant branches or spurs)
HIGH LINER"Main-line fast passenger train
HIGH-WHEELER"Passenger engine or fast passenger train.
Main Line The principal line or lines of a railway, most normally referring to all trackage outside of a maintenance yard.
Midland Main Line (MML)
RAILWAYS. London St Pancras to Sheffield (UK.
Midland Mainline
RAILWAYS. A British train operating company (operative as at Sep-04).
Mikado
RAILWAYS. A type of steam locomotive used historically in the USA.
Parallel sets of main line tracks typically found in areas with high densities of traffic
Double-Stack ...
Branch Line A secondary line of a railroad, not the main line. Bridge Line Haul Road See overhead line haul road.
Lead (1) US term for a track giving access from a main line to a railway yard. Lead (2) Electric cable used in maintenance for shore supplies or wander lights.
The 1st Moss Turn, upon arrival at Moss, would pull a cut of raw coal onto the Main Line or Runaround Track and the pusher would than shove the raw coal into the unloading tracks.
In the train yard the tracks nearest the main line are usually designated for outbound trains.
Trap point One or more point blades operating in conjunction with a mainline turnout such that when the turnout is set for the main line that any train approaching down the other line will be derailed before it blocks the main line.
For example, you can hook the main line tracks to one switch and the reverse loop section of track to the other switch. Each switch changes the polarity of the track one way or the other.
A short main line feeds a staging loop that can hold four trains. This defines the layout as terminal to loop. A turnout off the main serves an industry track to Flamo Oil, the 3M Smelter, Fly-by-night Industries and a team track.
Track Pan A water filled trough placed between the rails at certain locations on a railroad's main line, each trough having a length of up to 2500 feet, ...
Select the operating style - main line, branch line, terminal, standard or narrow gauge. Allow for some operating flexibility - continuous running and switching. Keep the engineering reasonably simple so it is fun to build and easy to maintain.
Headshunt : A length of track which feeds any number of sidings and that allows those sidings to be shunted without blocking the main line.
Home signal : The semaphore signal controlling entry into a block section.
 See also: Track, Train, Switch, Operation, Locomotive
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