File:Iowa 56.svg

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DescrizioneIowa 56.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
Data	30 settembre 2006
Fonte	http://www.erl.dot.state.ia.us/APR_2006/RS/content_eng/rd41.pdf
Autore	Scott Onson
Licenza (Riusare questo 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.

Cronologia del file

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	Data/Ora	Miniatura	Dimensioni	Utente	Commento
attuale	00:14, 3 lug 2009		601 × 601 (5 KB)	Fredddie	Updated to Iowa Standard Highway Plan RD41 specifications.
	02:56, 1 ott 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