This file is in the
public domain
because it comes from the
Rules Governing Traffic Control Devices
, sign number M1-5, which states in IDAPA 39.03.41.004 that the Idaho Transportation Board has "incorporated by reference and made a part of the Rules of the Idaho Transportation Department" the federal
Manual on Uniform Traffic Control Devices
, and IDAPA 39.03.41.004.01 "incorporated by specific reference, the latest editions of the ...
Standard Highway Signs and Markings
book, [and] the
Idaho Transportation Department (ITD) Sign Chart
." The federal
MUTCD
states specifically on its 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.
No provisions of the
Rules Governing Traffic Control Devices
supercede this provision of the
MUTCD
.