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ECE R-167
Direct Vision
Applies to
M, N
Topic
ADAS & vision
Framework
UN ECE
Velocert services
European
Overview
UN Regulation No 167 lays down uniform provisions for the approval of motor vehicles with regard to their direct vision. Its aim is to reduce blind spots to the greatest extent possible, considering the type of vehicle and its intended operation. Its annexes cover the assessment volume, assigning vehicles to direct vision levels, and physical and numerical test methods.
This summary is based on the version published on EUR-Lex, 01 series (2025), which is the current series. GlobalAutoRegs also lists Supplement 1 to the 01 series with no entry-into-force date. Checked on GlobalAutoRegs, 1 November 2026. For the current text, see the UN (UNECE) page.
Scope
It applies to the approval of vehicles of categories M2, M3, N2 and N3. The requirements are applied as appropriate to vehicles developed for right-hand or left-hand traffic.
The regulation applies to the following vehicle categories:
M
Passenger vehicles
N
Goods vehicles
Official source
For the requirements of this regulation, refer to the official text in force and its amendments.
Official UNECE text