File:MUTCD CW21-1a.svg

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Original file (SVG file, nominally 445 × 445 pixels, file size: 3 KB)

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Summary

MUTCD W21-1a Workers Sign Source: Page Page 6F-17, Manual on Uniform Traffic Control Devices for Streets and Highways - 2003 Edition

Licensing

This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, which states specifically on page I-1 that:

Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain. Traffic control devices contained in this Manual shall not be protected by a patent, trademark, or copyright, except for the Interstate Shield and any other items owned by FHWA.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	11:47, 23 May 2024	445 × 445 (3 KB)	WWBM	SVG file size reduced, then adjusted orange color (#dd7500) on road signs (uploaded with Pywikibot, see here for details)
	04:25, 15 June 2013	445 × 445 (6 KB)	Fry1989	W21-1a has changed
	17:28, 4 May 2013	286 × 286 (4 KB)	Fry1989	per MUTCD
	04:02, 4 May 2013	290 × 289 (3 KB)	MUTCD Color corrector	Proper printing MUTCD colors
	23:07, 20 August 2012	286 × 286 (4 KB)	Fry1989	fix
	05:56, 5 April 2009	290 × 289 (3 KB)	Overpush~commonswiki	MUTCD W21-1a Workers Sign Source: Page Page 6F-17, Manual on Uniform Traffic Control Devices for Streets and Highways - 2003 Edition