File:Iowa 22.svg
| 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 |
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| 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) |
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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:
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