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3 December 1945. (1945-12-03) (aged 87) Norwalk, Connecticut. Known for. The "Father of Traffic Safety". William Phelps Eno (June 3, 1858 – December 3, 1945) was an American businessman responsible for many of the earliest innovations in road safety and traffic control. He is sometimes known as the "Father of traffic safety", despite never ...
Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users. The earliest signs were simple wooden or stone milestones . Later, signs with directional arms were introduced, for example the fingerposts in the United Kingdom and their wooden counterparts in Saxony .
Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign and the crossbuck for railroad crossings.
Gas lamps gradually started replacing oil street lamps in the United States, beginning in the first quarter of the 19th century. [3] The first street in the world to be illuminated by gaslight was Pall Mall in London, starting in 1807. [1][5] The first US city to use gas street lights was Baltimore, starting in 1817. [4]
Bridges with a clearance of less than 16 feet 7 inches (5.05 m) are normally signed. Signs were formerly only in feet and inches, but from 2015 new or replacement signs must contain both imperial and metric measurements. The signs used at a low bridge depend on the type above the road.
The United Kingdom and New Zealand stop signs are 750, 900 or 1200 mm (about 30, 36 or 48 inches), according to sign location and traffic speeds. [ 2 ][ 3 ] In the United States, stop signs are 30 inches (76 cm) across opposite flats of the red octagon, with a 3/4 -inch (2 cm) white border. The white uppercase stop legend is 10 inches (25 ...
The history of the book became an acknowledged academic discipline in the latter half of the 20th century. It was fostered by William Ivins Jr.'s Prints and Visual Communication (1953) and Henri-Jean Martin and Lucien Febvre's L'apparition du livre (The Coming of the Book: The Impact of Printing, 1450–1800) in 1958 as well as Marshall McLuhan's Gutenberg Galaxy: The Making of Typographic Man ...
Antiquity. The first forms of road transport were pack animals carrying goods over tracks that often followed game trails, such as the Natchez Trace. [ 1 ] In the Paleolithic Age, humans did not need constructed tracks in open country. The first improved trails would have been at fords, mountain passes and through swamps. [ 2 ]