| Pollution and Energy (GRPE) Next session: 14-16 Oct (Subgroup meeting 27 May) |
| Noise (GRB) Last session: January 2019 |
| Lighting and Light-signalling (GRE) Next session: 29 Apr-3 May (Subgroup meeting 23-26 Jul) |
| Brakes and Running Gear (GRRF) Last session: February 2018 |
| General Safety (GRSG) Next session: 7-11 Oct (Subgroup meeting 30 Apr) |
| Passive Safety (GRSP) Next session: 27-31 May (Subgroup meeting 6 May) |
| Automated/Connected Vehicles (GRVA) Next session: 6-7 May (Subgroup meeting 8 May) |
| Working Party on Noise & Tyres (GRBP) Next session: 17-20 Sep (Subgroup meeting 4 Jun) |