TRAFFIC OPERATIONS
CHAPTER 130
SIGNING MANUAL
[Prior to 6/3/87, Transportation Department[820]—(06,K) Ch 2]
761—130.1(321) Manual. The “Manual on Uniform Traffic Control Devices” (MUTCD), 2003 Edition including Revision No.	1 dated November 2004, published by the U.S. Department of Transportation, Federal Highway Administration, shall constitute the manual and specifications for a uniform system of traffic control devices for use upon the highways of this state.
	130.1(1) The department makes the following exception to the MUTCD for school zones: In Part 2, Section 2B.05 of the MUTCD, STOP Sign Applications, Standard, in lieu of the sentence “Portable or part-time STOP signs shall not be used except for emergency and temporary traffic control zone purposes,” the department adopts the following: “Portable or part-time STOP signs may be used only in the following situations:
	1.	When necessary for emergency and temporary traffic control zone purposes, or
	2.	In school zones at appropriate school crosswalks.”
	130.1(2) Copies of the MUTCD are available for examination at the Office of Traffic and Safety, Iowa Department of Transportation, 800 Lincoln Way, Ames, Iowa 50010. The MUTCD is also available on the Internet at http://mutcd.fhwa.dot.gov.
This rule is intended to implement Iowa Code sections 321.249 and 321.252.
[761—Chapter 130 appeared as Highway Commission rule, 1973 IDR, p.	517; amended January 1975 Supplement, p.	89. (Note: No chapter number was given.)]
[Filed 3/11/65; amended 5/16/72, 9/24/74]
[Filed 8/13/79, Notice 5/30/79—published 9/5/79, effective 10/10/79]
[Filed 11/16/84, Notice 8/15/84—published 12/5/84, effective 1/9/85]
[Filed 10/2/85, Notice 8/14/85—published 10/23/85, effective 11/27/85]1
[Filed 2/6/87, Notice 12/17/86—published 2/25/87, effective 4/1/87]
[Filed 5/11/87, Notice 3/11/87—published 6/3/87, effective 7/8/87]
[Filed 11/1/89, Notice 9/20/89—published 11/29/89, effective 1/3/90]
[Filed 11/2/94, Notice 9/28/94—published 11/23/94, effective 12/28/94]
[Filed 4/17/96, Notice 3/13/96—published 5/8/96, effective 6/12/96]
[Filed 10/10/02, Notice 8/7/02—published 10/30/02, effective 12/4/02]
[Filed 9/14/05, Notice 8/3/05—published 10/12/05, effective 11/16/05]
1	Effective date of subrule 2.1(2) delayed until the expiration of 45 calendar days into the 1986 Session of the General Assembly pursuant to Iowa Code section 17A.8(9). The 1986 General Assembly took no formal action; therefore, subrule 2.1(2) is effective 2/28/86.