606.1 Guardrail: Revision history

19 September 2018

• curprev 10:0510:05, 19 September 2018‎ Smithk talk contribs‎ m 51,655 bytes −345‎ updated MoDOT website links
• curprev 10:0010:00, 19 September 2018‎ Smithk talk contribs‎ m 52,000 bytes −79‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors
• curprev 09:5809:58, 19 September 2018‎ Smithk talk contribs‎ m 52,079 bytes +1‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors

14 September 2018

• curprev 10:1610:16, 14 September 2018‎ Smithk talk contribs‎ m 52,078 bytes −18‎ Per DE, updated Guardrail LON Calculation

19 June 2018

• curprev 12:4212:42, 19 June 2018‎ EPGsysop talk contribs‎ m 52,096 bytes −6‎ →‎606.1.3.5.1 Closures of Existing Streets and Roads: Per TS, with the help of the WZQC, EPG 606.1.3.5 had minor clarifications to reflect the current practices at MoDOT.

21 March 2018

• curprev 09:0809:08, 21 March 2018‎ EPGsysop talk contribs‎ m 52,102 bytes +8‎ Two minor revisions to the Guardrail Length of Need Calculator

17 January 2018

• curprev 10:1510:15, 17 January 2018‎ EPGsysop talk contribs‎ m 52,094 bytes −8‎ Per Charles Schumann, minor revision to guardrail calculator spreadsheet (added links to MoDOT approved MASH crashworthy end terminals and MoDOT locations for greater convenience for the user)

7 September 2017

• curprev 11:3111:31, 7 September 2017‎ EPGsysop talk contribs‎ m 52,102 bytes +8‎ Minor general cell formatting for the Guardrail Length of Need Calculator spreadsheet. 

31 July 2017

• curprev 09:5209:52, 31 July 2017‎ EPGsysop talk contribs‎ m 52,094 bytes +10‎ Per Charles Schumann (original creator of the G'rail LON Calculator), minor corrections to the spreadsheet.

16 June 2017

• curprev 08:5808:58, 16 June 2017‎ EPGsysop talk contribs‎ m 52,084 bytes +32‎ No edit summary
• curprev 08:4908:49, 16 June 2017‎ EPGsysop talk contribs‎ m 52,052 bytes +2‎ No edit summary
• curprev 08:4608:46, 16 June 2017‎ EPGsysop talk contribs‎ m 52,050 bytes +547‎ Per CADD, added Guardrail Length of Need Calculator

24 March 2017

• curprev 09:1109:11, 24 March 2017‎ EPGsysop talk contribs‎ m 51,503 bytes −1‎ minor correction

20 March 2017

• curprev 12:4212:42, 20 March 2017‎ EPGsysop talk contribs‎ m 51,504 bytes +55‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: inserted link
• curprev 11:1311:13, 20 March 2017‎ EPGsysop talk contribs‎ m 51,449 bytes +495‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: Per EPG, clarified grading limits and associated std plans

27 January 2017

• curprev 13:4913:49, 27 January 2017‎ Smithk talk contribs‎ m 50,954 bytes −9‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: clarified box heading so as not to portray crashworthy end terminals as being approved by MoDOT

24 August 2016

• curprev 13:3413:34, 24 August 2016‎ Smithk talk contribs‎ 50,963 bytes +344‎ →‎606.1.3 Guardrail Systems: Per EPG, removed incidental grading for Type A end terminals so that a separate pay item could be included for prime contractors to bid on projects.

10 June 2016

• curprev 07:5107:51, 10 June 2016‎ Smithk talk contribs‎ m 50,619 bytes +37‎ Per EPG, several clarifications

31 May 2016

• curprev 14:0114:01, 31 May 2016‎ Smithk talk contribs‎ m 50,582 bytes +12,261‎ Per DE, article re-written to incorporate MGS, MASH, End Terminals guardrail requirements and guidance. Revised the closure of streets, roads, bridges and non-traversable roads.

22 February 2016

• curprev 16:1516:15, 22 February 2016‎ Smithk talk contribs‎ m 38,321 bytes −5‎ No edit summary
• curprev 16:1416:14, 22 February 2016‎ Smithk talk contribs‎ m 38,326 bytes +844‎ Per Design, added link to Interim Guardrail Policy

28 January 2016

• curprev 12:2412:24, 28 January 2016‎ Smithk talk contribs‎ m 37,482 bytes +17‎ →‎606.1.3.14 Medians
• curprev 12:2212:22, 28 January 2016‎ Smithk talk contribs‎ m 37,465 bytes +18‎ →‎606.1.3.2 Approved Crashworthy End Terminals: updated link

9 September 2015

• curprev 14:2514:25, 9 September 2015‎ Smithk talk contribs‎ 37,447 bytes +1,982‎ →‎606.1.3.2 Approved Crashworthy End Terminals: Per DE, end treatments are now further subdivided to more closely match the hardware to its intended use, performance, reusability, & cost of repair

7 August 2015

• curprev 13:4313:43, 7 August 2015‎ Smithk talk contribs‎ m 35,465 bytes +544‎ →‎606.1.3.1 3R/4R Projects: Per EPG, requires replacement of ET-Plus end treatment during constr'n or repair, including anytime existing adjacent guardrail is raised or end treatment modified

25 June 2015

• curprev 08:5808:58, 25 June 2015‎ Smithk talk contribs‎ m 34,921 bytes +2‎ →‎606.1.3.1 3R/4R Projects
• curprev 08:5508:55, 25 June 2015‎ Smithk talk contribs‎ m 34,919 bytes +83‎ →‎606.1.3.1 3R/4R Projects
• curprev 08:5308:53, 25 June 2015‎ Smithk talk contribs‎ m 34,836 bytes +387‎ →‎606.1.3.1 3R/4R Projects: Per EPG, some situations will not allow adjustment to 29" & an adjusted height of 27 3/4" is acceptable. This revision clarifies this acceptable practice.

16 June 2015

• curprev 13:5013:50, 16 June 2015‎ Smithk talk contribs‎ m 34,449 bytes +436‎ →‎606.1.3.1 3R/4R Projects

4 February 2015

• curprev 10:5110:51, 4 February 2015‎ Jonesjb talk contribs‎ m 34,013 bytes +39‎ →‎606.1.3.1 3R/4R Projects: Clarified that guardrail height is measured to the top of the beam.

27 October 2014

• curprev 10:0710:07, 27 October 2014‎ Smithk talk contribs‎ m 33,974 bytes +37‎ →‎606.1.4 Maintenance Planning Guidelines for Guardrail: added photo

29 August 2014

• curprev 14:5414:54, 29 August 2014‎ Jonesjb talk contribs‎ m 33,937 bytes −304‎ →‎606.1.3.1 3R/4R Projects: Clarified guardrail considerations for 1R, 2R, 3R, and 4R work.

29 May 2014

• curprev 10:1710:17, 29 May 2014‎ Smithk talk contribs‎ m 34,241 bytes 0‎ →‎606.1.3.3 Bullnose Guardrail System: Per EPG, bullnose guidance clarification

11 February 2014

• curprev 14:3414:34, 11 February 2014‎ Jonesjb talk contribs‎ m 34,241 bytes −4‎ →‎606.1.3.9 Bridge Ends: Clarified wording

21 January 2014

• curprev 11:0511:05, 21 January 2014‎ Smithk talk contribs‎ m 34,245 bytes +342‎ Per Bridge, added link

21 August 2013

• curprev 09:2009:20, 21 August 2013‎ Jonesjb talk contribs‎ m 33,903 bytes +26‎ →‎606.1.3.1 3R/4R Projects: Clarified 3R requirements for upgrading bridge end connections.

24 July 2013

• curprev 08:0908:09, 24 July 2013‎ Jonesjb talk contribs‎ m 33,877 bytes 0‎ →‎606.1.3.7 Fixed Objects: Updated Roadside Design Guide figure number

8 November 2012

• curprev 16:3416:34, 8 November 2012‎ Jonesjb talk contribs‎ m 33,877 bytes −21‎ →‎606.1.3.1 3R/4R Projects: Slightly re-worded for clarity

10 October 2012

• curprev 11:2211:22, 10 October 2012‎ Smithk talk contribs‎ 33,898 bytes −1,700‎ →‎606.1.3.9 Bridge Ends: Per Design, turned-down guardrail ends is rarely appropriate and is prohibited. Guidance has been removed.

7 September 2012

• curprev 10:2010:20, 7 September 2012‎ Smithk talk contribs‎ m 35,598 bytes +32‎ Per Transportation Planning, updated Major Highways map

30 August 2012

• curprev 07:3907:39, 30 August 2012‎ Smithk talk contribs‎ m 35,566 bytes −47‎ →‎606.1.3.9 Bridge Ends: updated link

25 July 2012

• curprev 14:2814:28, 25 July 2012‎ Smithk talk contribs‎ m 35,613 bytes +79‎ →‎606.1.3.1 3R/4R Projects: added link
• curprev 14:2414:24, 25 July 2012‎ Smithk talk contribs‎ m 35,534 bytes +40‎ Added link, and clarified a statement, per EP Administrator
• curprev 10:5210:52, 25 July 2012‎ Jonesjb talk contribs‎ m 35,494 bytes −27,953‎ Removed accidental replication
• curprev 08:4908:49, 25 July 2012‎ Jonesjb talk contribs‎ 63,447 bytes +27,879‎ Published the new guardrail height requirements per FHWA and AASHTO.

9 May 2012

• curprev 10:0510:05, 9 May 2012‎ Smithk talk contribs‎ m 35,568 bytes +11‎ →‎606.1.3.6 High Fills: Per EP Administrator, updated reference to Roadside Design Guide figures.

19 January 2012

• curprev 11:0511:05, 19 January 2012‎ Smithk talk contribs‎ m 35,557 bytes 0‎ updated link

12 January 2012

• curprev 11:5111:51, 12 January 2012‎ Smithk talk contribs‎ m 35,557 bytes −103‎ →‎606.1.3.16 Barricade of Existing Streets and Roads: removed archaic info

6 August 2010

• curprev 08:1808:18, 6 August 2010‎ Smithk talk contribs‎ m 35,660 bytes +921‎ Moved info from EPG A Few Guardrail Crash Tests 606.1 Guardrail (From Sept 2007; 1344 hits) into this article.

3 August 2010

• curprev 15:1415:14, 3 August 2010‎ Smithk talk contribs‎ m 34,739 bytes +15‎ →‎606.1.3.12 Outer Roadways: updated link