Informal Working Group on Visibility, Glare and Levelling (VGL)
Reports to GRE
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Documents 2017
30 Jan 2017 Draft agenda for the 5th VGL informal group session VGL-05-01/Rev.1
31 Jan 2017 Final report of the 4th VGL informal group session VGL-04-04
31 Jan 2017 Extract from the GTB study on visibility and glare (GRE-71-32) VGL-05-04
31 Jan 2017 Headlamp glare zone under CIE 188:2010 VGL-05-05
31 Jan 2017 Visibility, glare, and leveling: Heavy duty vehicle load cases VGL-05-08
2 Feb 2017 Participants list from the 5th VGL informal group session VGL-05-02
7 Feb 2017 OICA presentation on visibility, glare, and leveling headlamp issues for heavy vehicles VGL-05-08
7 Feb 2017 Terms of reference for the VGL informal group as approved by GRE VGL-05-10
7 Feb 2017 OICA presentation on visibility, glare, and leveling headlamp issues VGL-05-03/Rev.1
9 Feb 2017 Visibility, glare, and leveling: Pitch variation VGL-05-07
11 Feb 2017 Presentation of results from investigations of headlamp glare at the DEKRA Klettwitz proving grounds VGL-05-06/Rev.1
19 Mar 2017 Draft agenda for the 6th VGL informal group session VGL-06-01
3 Apr 2017 Summary of tolerance proposals for headlamp leveling VGL-06-03
24 Apr 2017 Consensus position of the 5th VGL informal group session on the tolerance diagram for headlamp aiming VGL-05-09/Rev.2
16 May 2017 Participants list from the 6th VGL informal group session VGL-06-02
23 May 2017 Draft report of the 6th VGL informal group session VGL-06-05
23 May 2017 Draft report of the 5th VGL informal group session VGL-05-11
23 May 2017 VGL informal group status report for the April 2017 GRE session VGL-06-04
31 May 2017 Draft agenda for the 7th VGL informal group session VGL-07-01
14 Jun 2017 Glare line from calculation by T. Targosinski VGL-07-06
14 Jun 2017 Justification for deletion of the 2000 lm criterion for headlamp performance VGL-07-07
14 Jun 2017 OICA draft justification for headlamp glare requirements agreed by the VGL informal group VGL-07-03
14 Jun 2017 VGL informal group justification for headlamp glare requirements VGL-07-05
14 Jun 2017 Headlamp tolerance diagram with limit values (left for glare/right for visibility) VGL-07-04
14 Jun 2017 Participants list from the 7th VGL informal group session VGL-07-02
14 Jun 2017 Examples of headlamp pitch change from T. Targosinski VGL-07-08
23 Jun 2017 e-mail invitation to the 8th VGL informal group session
6 Jul 2017 Diagram with limit values (left for glare/right for visibility) VGL-08-09
6 Jul 2017 Headlamp glare examples VGL-08-12
6 Jul 2017 Justification for deletion of the 2000 lm criterion for headlamp performance VGL-08-11
6 Jul 2017 OICA comments on the VGL informal group chair's conclusions from the 7th session VGL-08-08/Rev.1
6 Jul 2017 Proposal for headlamp center of reference VGL-08-07
6 Jul 2017 German periodic technical inspection (PTI) requirements for headlamps VGL-08-05
6 Jul 2017 Poland comments on document VGL-07-05 VGL-08-06
6 Jul 2017 Invitation and draft agenda for the 8th VGL informal group session
6 Jul 2017 Agenda for the 8th VGL informal group session VGL-08-01/Rev.2
6 Jul 2017 Proposal for loading conditions VGL-08-03
6 Jul 2017 Examples of "only trunk" load VGL-08-04
19 Jul 2017 Improved justification for lines defining the limits for the headlamp aiming diagram from VGL-07-04 VGL-08-10
28 Jul 2017 Poland proposal for revision of the glare line in document VGL-07-06 VGL-08-14/Rev.1
28 Jul 2017 Comparison of vehicle loading for headlamp aiming procedures VGL-08-15/Rev.2
28 Jul 2017 Recommended hotels for the 9th VGL informal group session
28 Jul 2017 Directions to Hyundai premises for the 9th VGL informal group session
22 Aug 2017 Participants list from the 8th VGL informal group session VGL-08-02
14 Sep 2017 OICA proposal for the justification of the VGL headlamp aiming tolerance diagram VGL-09-02
25 Sep 2017 Conclusions from the 8th VGL informal group session VGL-08-13/Rev.1
25 Sep 2017 Draft report of the 7th VGL informal group session VGL-07-09
25 Sep 2017 VGL Session 9: Hyundai Technical Center laptop registration form
25 Sep 2017 Draft annex to the report of the 8th VGL informal group session VGL-08-16
27 Sep 2017 Revision 1 to UN Regulation No. 48 VGL-09-06
27 Sep 2017 Original version of UN Regulation No. 48 VGL-09-05
27 Sep 2017 Participants list from the 9th VGL informal group session VGL-09-03
28 Sep 2017 Agenda for the 9th VGL informal group session VGL-09-01/Rev.1
28 Sep 2017 Revised proposal for the justification of the VGL headlamp aiming tolerance diagram VGL-09-02/Rev.1
10 Oct 2017 Clean version of the VGL headlamp aiming tolerance diagram justification VGL-09-07
10 Oct 2017 Document VGL-09-07 with corrections and appendices II and III VGL-09-08
10 Oct 2017 GRE-adopted Terms of Reference for the VGL informal group VGL-10-04
17 Oct 2017 Draft conclusions of the 9th VGL session VGL-09-09
17 Oct 2017 UN R48: Draft justification for deletion of the 2000 lm criterion VGL-10-05
18 Oct 2017 Poland request for clarification of headlamp cut-off limit VGL-10-06
18 Oct 2017 E-mail response of Tomasz Targosinski to the current VGL situation VGL-10-07
20 Oct 2017 Italy proposal to improve the justification for deletion of 2000 lm criteria VGL-10-05/Add.1
23 Oct 2017 Updated draft agenda for the 10th VGL informal group session VGL-10-01/Rev.3
23 Oct 2017 Targosinski proposal to improve the justification for deletion of 2000 lm criteria VGL-10-05/Add.2
9 Nov 2017 VGL informal group revised headlamp aiming diagram justification VGL-10-11
9 Nov 2017 OICA headlamp aiming tolerance survey results VGL-10-10
9 Nov 2017 Revision of the GTB/OICA glare proposal in relation to type approval application VGL-10-09
9 Nov 2017 UN R48: Italy counter-proposal regarding the justification for deletion of 2000 lm criteria VGL-10-08
9 Nov 2017 Proposal and justification for lines defining the limits (diagram) for a new headlamp aiming range GRE-78-12/Rev.1
9 Nov 2017 VGL chair consolidation of headlamp aiming diagram justification VGL-10-03
9 Nov 2017 Participants list from the 10th VGL informal group session VGL-10-02/Rev.1