(control) signal line
61River Line (New Jersey Transit) — Infobox rail line name = River Line logo width = 130 image width = 250px caption = A vehicle used on the River Line system. type = Tram train system = New Jersey Transit status = locale = Delaware Valley start = njt sta|Trenton|type=river end =… …
62Distant Early Warning Line — DEW redirects here. For energy emitting weapons, see Directed Energy Weapons. USAF Distant Early Warning Line and Distant Early Warning System Office Emblem …
63Seoul Subway Line 7 — Infobox Korean name title = Seoul Subway Line 7 color = #5d6622 fontcolor = #FFFFFF imgwidth = 120px caption = Transfer Sign rr = Seoul Jihacheol Chil ho seon mr = Sŏul Chihach ŏl Chil ho sŏn hangul = 서울 지하철 제7호선 hanja = 서울 地下鐵 第七號線Seoul Subway… …
64New Haven Line —      New Haven Line New Haven bound M8s pass through Port Chester, NY Overview …
65London to Aylesbury Line — The London to Aylesbury Line is the main railway line between London (Marylebone) and Aylesbury, going via the Chiltern Hills; it is operated by Chiltern Railways. The line is unique in the UK railway network for being the only route where… …
66The Signal-Man — is a short story by Charles Dickens, first published as part of the Mugby Junction collection in the 1866 Christmas edition of All the Year Round .The signal man of the title tells the narrator of a ghost that has been haunting him. Each spectral …
67Positive train control — (PTC) is a system of monitoring and controlling train movements to provide increased safety.OverviewThe main concept in PTC is that the train receives information about its location and where it is allowed to safely travel. Equipment on board the …
68Semaphore line — This article is about the communication system using towers with pivoting shutters. For other uses, see Semaphore (disambiguation). For the now closed railway in Adelaide, Australia, see Semaphore railway line, Adelaide. A Chappe telegraph at… …
69Fire alarm control panel — A fire alarm control panel (FACP), also called a fire alarm panel. Technicians usually refer to the FACP as the panel. A fire alarm control panel is the central control device that receives information from input devices (smoke detectors, heat… …
70Flow control — distinguish|control flowIn computer networking, flow control is the process of managing the rate of data transmission between two nodes to prevent a fast sender from over running a slow receiver. This should be distinguished from congestion… …
