File:Iowa 137.svg

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DescriptionIowa 137.svg	Iowa Highway marker. Uses the standard circle route marker with the FHWA font (type D for 1 digit routes, type C for 2d, type 3 for 3d
Date	30 September 2006
Source	http://www.erl.dot.state.ia.us/APR_2006/RS/content_eng/rd41.pdf
Author	Scott Onson
Permission (Reusing this file)	Own work, all rights released (Public domain)

This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, sign number M1-5, 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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:37, 3 July 2009		601 × 601 (5 KB)	Fredddie	Updated to Iowa Standard Highway Plan RD41 specifications.
	01:50, 1 October 2006		192 × 192 (6 KB)	Master son	{{Information\| \|Description=Iowa Highway marker. Uses the standard circle route marker with the FHWA font (type D for 1 digit routes, type C for 2d, type 3 for 3d \|Source=[http://www.erl.dot.state.ia.us/APR_2006/RS/content_eng/rd41.pdf http://www.erl.dot