616.19 Quality Standards for Temporary Traffic Control Devices: Revision history

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1 May 2024

1 September 2022

20 July 2022

19 April 2022

25 February 2022

23 February 2022

23 November 2021

22 October 2021

4 June 2021

2 June 2021

2 March 2021

24 June 2020

25 July 2019

24 July 2019

3 May 2019

14 January 2019

17 May 2018

2 November 2017

14 April 2017

9 June 2016

31 March 2014

12 August 2013

9 July 2013

5 July 2013

1 July 2013

23 August 2012

27 March 2012

18 July 2011

9 September 2009

19 December 2008

3 March 2008

11 October 2007