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Airport express train at a rain-lit terminal as an aircraft lands
Serving the Air-Rail Industry for nearly 30 years

Promoting airport rail connectivity.

The International Air Rail Organisation (IARO) is the international network for airport rail links. Founded in 1997. IARO Members share best practice operating experience, benefit from dedicated industry reports, participate in site visits and industry meetings and make use of IARO’s research to inform their work.

Search airport railways Membership and fees IARO Express Latest issue IARO Express 698 · 1 October 2026

Our members

Heathrow Express MTR Vy CAT Vienna Groupe ADP SEA Milan Airports Brussels Airport Airtrain Brisbane KLIA Ekspres Gatwick Express Air Aware Labs RE Systems M-Five Cranfield University TRT

Directory of IARO Members →

From runway to railway

IARO in a minute

The film has music and no narration. It shows:

  • 423 airport rail links open to everyone, in 63 countries and territories, with 269 airports on the map. Links run by, or serving, IARO Air-Rail Members are shown in gold.
  • How the links run: 185 metro and suburban, 120 regional and mainline, 64 light rail, 48 high-speed and 6 other.
  • 969 more records for members: planned schemes, cargo links and closed connections, with reference notes on each one.
  • 681 issues of IARO Express, the weekly air-rail briefing, since December 2012.
  • The annual conference and technical visits: London 2023, Milan 2024, Paris 2025, Brussels 2026 and Hong Kong 2026.
  • IARO’s members, and the closing line: promoting airport rail connectivity.
Open to everyone

Find an airport rail link

Search by country, airport or IATA code. No account needed.

Open the full database and map →

An industry reference. For travel, check current service details with the operator.

What we do

Research, visits and introductions

Passengers on the concourse of Brussels Airport-Zaventem station, below the departure boards
Photo: Brussels Airport · CC BY-SA 2.0

Visits

The annual conference and technical visits to working airport rail links.

Introductions

The Secretariat can ask a member who has already done the work.

From IARO

Upcoming meetings

See events →
A train at the platform of Brussels Airport-Zaventem station, under the multilingual Airport sign
Photo: Nenea hartia · CC BY-SA 4.0
Join IARO

Join IARO.

Membership

Air-Rail 2026 at Brussels Airport, 7–8 October. A conference place is included.

  • Organisation membership is £795 for applications accepted by 31 December 2026, with membership running to 31 December 2027.
  • The standard organisation rate rises to £1,200 a year on 1 January 2027.
  • Membership accepted under this offer needs no additional payment for 2027. Fees exclude applicable VAT.

See the joining offer and terms →

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IARO Express

The weekly air-rail briefing, free by email. Unsubscribe whenever you like.

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