---
title: "CS ADR-DSN.M.770 Road-holding position light — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "Applicability: A road-holding position light should be provided at each road-holding position serving a runway when it is intended that the runway should…"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-m-visual-aids-for-navigation-lights/cs-adr-dsn-m-770"
---

# CS ADR-DSN.M.770 Road-holding position light

Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7 · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

IR Implementing rule

## CS ADR-DSN.M.770 Road-holding position light

(a) Applicability: A [road-holding position](https://avioverse.aero/glossary/easa/road-holding-position) light should be provided at each road-holding position serving a [runway](https://avioverse.aero/glossary/easa/runway) when it is intended that the runway should be used in runway visual range conditions less than a value of 550 m.

(b) Location: A road-holding position light should be located adjacent to the holding position [marking](https://avioverse.aero/glossary/easa/marking) 1.5 m (±0.5 m) from one edge of the [road](https://avioverse.aero/glossary/easa/road), i.e. left or right as appropriate to the local road traffic regulations.

(c) Characteristics:

(1) The road-holding position light should comprise:

(i) a controllable red (stop)/green (go) traffic light; or

(ii) a flashing-red light

(2) Provisions for control of the lights in paragraph (1)(i) above should be installed in the positions for the [air traffic services](https://avioverse.aero/glossary/easa/air-traffic-services).

(3) The road-holding position light beam should be unidirectional and aligned so as to be visible to the driver of a vehicle approaching the holding position.

(4) The intensity of the light beam should be adequate for the conditions of visibility and ambient light in which the use of the holding position is intended but should not dazzle the driver.

(5) The flash frequency of the flashing red light should be between 30 and 60 flashes per minute.

\[Issue: ADR-DSN/3]

IR · CS ADR-DSN.M.770 — Regulation (EU) No 139/2014 · ED Decision 2016/027/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER M — VISUAL AIDS FOR NAVIGATION (LIGHTS)](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-m-visual-aids-for-navigation-lights)

Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.