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What is the MVAS 99?

The MVAS 99 defines the expertise people need to make road work zones safe for traffic in Germany. Anyone working for public clients has to prove it.

Guide4 min readUpdated: October 2026

At a glance

Short name
MVAS 99
Edition
1999
Type
Guidance note
Covers
Who needs which expertise

The name

MVAS stands for the German “Merkblatt über Rahmenbedingungen für erforderliche Fachkenntnisse zur Verkehrssicherung von Arbeitsstellen an Straßen”, a guidance note on the expertise required for traffic safety at road works. 99 refers to the 1999 edition.

What does it cover?

It describes the knowledge needed to plan, set up and inspect traffic safety at work zones, and how that knowledge is gained and proven through training.

  • PlanningSafety measures are prepared to fit the work zone.
  • SetupSigns and barriers are placed correctly.
  • InspectionMeasures are checked and adjusted regularly.

MVAS 99, RSA 21 and ZTV-SA 97

The three sets of rules work together:

RSA 21How?

How a work zone is secured: standard layouts, signs, devices.

MVAS 99Who?

Who must be able to do it and which expertise is required.

ZTV-SA 97Contract

Contractual basis for construction contracts. Under no. 4.2 (9), qualification is proven.

Who needs proof?

Typically companies working on public roads and the people who carry out or are responsible for traffic safety there:

  • Civil works
  • Utility construction
  • Fibre & telecoms
  • Traffic management firms
  • Municipal depots
  • Site management

The exact requirement follows from the contract and the traffic order.

Get certified online

  1. BookOnline in minutes, for yourself or your team.
  2. Watch the videos6 modules on RSA 21 and MVAS 99, in 9 languages.
  3. Get your certificateWith ID and QR code, verifiable online by clients.

Not legal advice. The official versions of the regulations and the traffic order in each case apply.

Get certified online

RSA 21 training in 6 video modules, in 9 languages, no exam. With certificate and QR verification.

Read nextRSA 21 explainedWhat the guidelines for securing road works cover.