four-aspect signal
11Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… …
12Aldwarke Junction — at Parkgate near Rotherham, South Yorkshire, England is a major railway junction. It was constructed in 1965 as a part of the Sheffield district rail rationalisation plan. The Location The junction is sited immediately north of the site of the… …
13Reading to Plymouth Line — The Reading Plymouth line is the central part of the trunk railway line between London Paddington and Penzance railway stations in the southern United Kingdom. It is a major branch of the Great Western Main Line and diverges at Reading, running… …
14Great Eastern Main Line — GEML redirects here. For the Spanish airport, see Melilla Airport. Great Eastern Main Line National Express East Anglia class 360 at Marks Tey. Overview …
15Cannon Street station — London stations name = London Cannon Street caption = Cannon Street manager = Network Rail zone = 1 locale = Cannon Street borough = City of London start = 1 September 1866 platforms = 7 railcode = CST latitude = 51.5104 longitude = 0.09077… …
16Flags of the Confederate States of America — Four versions of the flag of the Confederate States of America are shown on this print from 1896. Standing at the center are Stonewall Jackson, P. G. T. Beauregard, and Robert E. Lee, surrounded by bust portraits of Jefferson Davis and… …
17North 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… …
18Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
19Toronto subway and RT — A T series train at Sheppard–Yonge station on the Sheppard line …
20international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
