---
title: "CS ADR-DSN.T.900 Emergency access and service roads — Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7, Aerodromes · Avioverse"
description: "Emergency access roads and service roads should be equipped with a road-holding position, in accordance with CS ADR-DSN.L.600, CS ADR-DSN.M.770 and CS…"
url: "https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-t-aerodrome-operational-services-equipment/cs-adr-dsn-t-900"
---

# CS ADR-DSN.T.900 Emergency access and service roads

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.T.900 Emergency access and service roads

Emergency access roads and service roads should be equipped with a [road-holding position](https://avioverse.aero/glossary/easa/road-holding-position), in accordance with CS ADR-DSN.L.600, CS ADR-DSN.M.770 and CS ADR-DSN.N.800, as appropriate, at all intersections with [runway](https://avioverse.aero/glossary/easa/runway) and taxiways.

\[Issue: ADR-DSN/3]

IR · CS ADR-DSN.T.900 — Regulation (EU) No 139/2014 · ED Decision 2016/027/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

[All rules in CHAPTER T — AERODROME OPERATIONAL SERVICES, EQUIPMENT AND INSTALLATION](https://avioverse.aero/regulations/easa/aerodromes/cs-adr-dsn/chapter-t-aerodrome-operational-services-equipment)

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.