606.1 Guardrail: Revision history

6 September 2024

• curprev 16:0316:03, 6 September 2024‎ Hoskir talk contribs‎ 55,580 bytes −48‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: updated per RR3931

28 February 2024

• curprev 11:5011:50, 28 February 2024‎ Hoskir talk contribs‎ m 55,628 bytes +40‎ →‎606.1.4 Maintenance Planning Guidelines for Guardrail: updated link to maintenance guideline

6 February 2024

• curprev 14:5614:56, 6 February 2024‎ Hoskir talk contribs‎ m 55,588 bytes −695‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: updated links per email from Kaitlyn B.

28 December 2023

• curprev 16:0516:05, 28 December 2023‎ Hoskir talk contribs‎ m 56,283 bytes 0‎ →‎606.1.3.1 Guardrail Selection and Placement: updated link
• curprev 16:0416:04, 28 December 2023‎ Hoskir talk contribs‎ m 56,283 bytes 0‎ updated link
• curprev 15:2115:21, 28 December 2023‎ Hoskir talk contribs‎ m 56,283 bytes +231‎ →‎606.1.3.1 Guardrail Selection and Placement: updated link to guardrail calculator
• curprev 15:1915:19, 28 December 2023‎ Hoskir talk contribs‎ m 56,052 bytes +4‎ →‎606.1.1 Types of Guardrail: made change to wording in guardrail calculator link
• curprev 15:1715:17, 28 December 2023‎ Hoskir talk contribs‎ m 56,048 bytes +227‎ →‎29 in. NCHRP 350 Guardrail System: updated link to Guardrail Calculator

6 December 2023

• curprev 18:1818:18, 6 December 2023‎ Legged1 talk contribs‎ m 55,821 bytes +28‎ →‎606.1.3.3 Transitions and Connections: update link

10 October 2023

• curprev 11:0811:08, 10 October 2023‎ Hoskir talk contribs‎ m 55,793 bytes +224‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: updated per RR3785

21 September 2022

• curprev 14:2114:21, 21 September 2022‎ Hoskir talk contribs‎ 55,569 bytes +40‎ updated 606.1.3.2 in several locations changing MASH to MASH 2016
• curprev 14:0314:03, 21 September 2022‎ Hoskir talk contribs‎ 55,529 bytes +15‎ updated 606.1.3.1 in 3 places changed MASH to MASH 2016
• curprev 13:5813:58, 21 September 2022‎ Hoskir talk contribs‎ m 55,514 bytes +15‎ updated 606.1.2 - changed 2 more mash terms to MASH 2016
• curprev 13:5313:53, 21 September 2022‎ Hoskir talk contribs‎ m 55,499 bytes +5‎ updated 606.1.2 - changed Mash to Mash 2016

2 August 2022

• curprev 15:4515:45, 2 August 2022‎ Kleins1 talk contribs‎ m 55,494 bytes −6‎ →‎606.1.3.3 Transitions and Connections

18 November 2021

• curprev 09:2909:29, 18 November 2021‎ Smithk talk contribs‎ m 55,500 bytes 0‎ →‎606.1.3.4 Median Barrier Selection and Placement

25 October 2021

• curprev 14:3514:35, 25 October 2021‎ Smithk talk contribs‎ m 55,500 bytes +1‎ Updated website link for increased security

22 October 2021

• curprev 10:2410:24, 22 October 2021‎ Smithk talk contribs‎ m 55,499 bytes −1‎ →‎606.1.3.1 Guardrail Selection and Placement
• curprev 10:2310:23, 22 October 2021‎ Smithk talk contribs‎ m 55,500 bytes +3‎ Updated website links (for increased security)

16 July 2021

• curprev 10:0410:04, 16 July 2021‎ Smithk talk contribs‎ m 55,497 bytes 0‎ Per Charles Schumann, updated Length of Need Calculator by removing wording associated with cautions and warnings as well as other minor revisions.

29 April 2021

• curprev 08:1008:10, 29 April 2021‎ Smithk talk contribs‎ 55,497 bytes +1,906‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: Per DE, new guidance (606.1.3.2.1 Crashworthy End Terminals with Curb) is available for crashworthy end terminals that are being installed in the vicinity of curb. Curb has not been tested with a CET and this guidance will help address questions and concerns about this.

12 April 2021

• curprev 13:3713:37, 12 April 2021‎ Smithk talk contribs‎ m 53,591 bytes +8‎ Per Charles Schumann, further updated Guardrail Length of Need Calculator with minor clarification

15 March 2021

• curprev 14:4014:40, 15 March 2021‎ Smithk talk contribs‎ m 53,583 bytes +10‎ Per Charles Schumann, updated Guardrail Length of Need Calculator to allow selection of a barrier w/ an extended curb so the add'l 12.5’ of guardrail is included if there is not sufficient LON to cover it. Also informational notes and warnings were updated and added

13 November 2020

• curprev 15:5415:54, 13 November 2020‎ Smithk talk contribs‎ m 53,573 bytes +11‎ updated link

25 September 2020

• curprev 14:2514:25, 25 September 2020‎ Smithk talk contribs‎ m 53,562 bytes 0‎ No edit summary

24 September 2020

• curprev 14:2214:22, 24 September 2020‎ Smithk talk contribs‎ m 53,562 bytes +21‎ →‎606.1.3.1 Guardrail Selection and Placement: Per EPS, clarified guidance to bring it into alignment with EPG 903.18.4

22 July 2019

• curprev 10:1010:10, 22 July 2019‎ Smithk talk contribs‎ 53,541 bytes +1,909‎ →‎606.1.3.2 End Terminals, Crash Cushions and Anchors: Per CM and DE, expanded guidance about end terminal grading for both new roadway construction and for existing roadbeds.

1 July 2019

• curprev 10:1110:11, 1 July 2019‎ Kleins1 talk contribs‎ 51,632 bytes +11‎ →‎606.1.3.1 Guardrail Selection and Placement

1 November 2018

• curprev 11:1511:15, 1 November 2018‎ Smithk talk contribs‎ 51,621 bytes +2‎ updated link

28 September 2018

• curprev 13:3813:38, 28 September 2018‎ Smithk talk contribs‎ m 51,619 bytes −36‎ No edit summary

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