Straight-line diagram

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"Strip map" redirects here. For the method of archaeological excavation, see Strip map and sample.
This straight line diagram illustrates the stops on the Piccadilly Line, part of London's Underground.
This is a more accurately rendered map of the Piccadilly Line, showing curvature and the relative distance between stops. It illustrates why straight-line maps are more useful when only the sequence of stops is relevant.

A straight-line diagram (abbreviated SLD) is a diagram of a road where the road is shown as a

TIFF
.

Straight-line diagrams were historically used in transportation planning but have been supplanted for these purposes by geographic information systems.[1]

A strip map is a road map laid out similarly to a straight-line diagram, featuring the same details found in more conventional road maps rather than technical details. In the United States, some strip maps are distributed by state highway departments.[2] In Australia, strip maps are distributed by state automobile associations. In the early 20th century, scrolling strip maps were also a component of some forerunners to satellite navigation devices. One wristwatch introduced in 1927 came with strip maps to be scrolled by hand. The 1932 Iter-Avto was a car-mounted device that scrolled the strip map automatically based on dead reckoning with the speedometer.[3]

Gallery

  • "The Road From London to the Lands End" from Ogilby's Britannia (1675)
    "The Road From London to the Lands End" from
    Ogilby's Britannia
    (1675)

See also

References

  1. ^ "Straight-Line Diagrams". Raleigh, North Carolina: North Carolina Department of Transportation. Retrieved July 30, 2022.
  2. ^ Official Alabama Highway Map (PDF) (Map). Montgomery, Alabama: Alabama Department of Transportation. 2021. Reverse side. Alabama Interstate Highway System inset. Retrieved July 30, 2022.
  3. ^ Kohlstedt, Kurt (February 29, 2016). "Analog GPS: Scrolling Wrist & Car-Mounted Maps of the Roaring 20s & 30s". 99% Invisible. Retrieved July 30, 2022.

External links

Wikimedia Commons has media related to Strip maps (road maps).
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