Ordinance
4notify Hong Kong · Government Gazette
OFFICIAL · MTR · Octopus · Transport Dept · Tramways
Ordinance No
ORD-HK-007
Date
2026-05-27
Status
In force
Category
Mobility

MTR service notices, Octopus top-ups, harbour-tunnel tolls and Hong Kong Tramways: mobility alerts for the territory

More than five million journeys a day move across the MTR network; tens of millions of Octopus taps clear retail and transit each week; and Hong Kong's harbour tunnels and trunk roads handle hundreds of thousands of toll events daily. 4notify integrates with the open mobility feeds, the MTR service-status API and the Transport Department's toll feeds and delivers disruption notices and toll receipts on the customer's preferred channel.

PushSMSEmail
Preamble

Whereas, by virtue of the Road Traffic Ordinance (Cap. 374), the Mass Transit Railway Ordinance (Cap. 556) and the Tramway Ordinance (Cap. 107), it is hereby ordained concerning the delivery of mobility notices to Hong Kong residents.

Statutory basis
Mass Transit Railway Ordinance (Cap. 556)

Operating framework of the MTR and the duty to inform passengers of disruptions and timetable changes.

Road Traffic Ordinance (Cap. 374)

Circulation framework, toll collection on government tunnels and trunk roads, and the obligation to issue receipts.

Tramway Ordinance (Cap. 107)

Operating rules for Hong Kong Tramways on Hong Kong Island.

Implementation
01

Open data + MTR feed subscription

4notify subscribes to the open mobility data and the MTR service-status feed; latency to the customer is under 90 seconds.

02

Line / station preference

The customer saves a line (for example "Tsuen Wan Line") or a station pair; they only receive disruptions that affect them.

03

Toll receipt

Customers with a registered vehicle receive an end-of-day reminder if their auto-toll account is low or there are unpaid passes on a government tunnel or trunk road.

Delivery envelope
json
{
  "event": "mobility.disruption",
  "operator": "mtr",
  "line": "tsuen_wan_line",
  "direction": "central_to_tsuen_wan",
  "affected_station": ["Lai King", "Kwai Hing"],
  "severity": "high",
  "channels": ["push", "sms"]
}
Sample message
PushSubject: MTR: high delay

MTR Tsuen Wan Line: high delay between Lai King and Kwai Hing. Estimated normalisation 19:30. Alternative: take the parallel bus route or switch via the Tung Chung Line.

Compliance checklist
  • Open mobility data API key on file
  • MTR service-status feed subscription active
  • Per-customer line / station preference captured
  • Auto-toll vehicle list synchronised
The 4notify difference

4notify is the only A2P provider that unifies open mobility data, the MTR service-status feed, harbour-tunnel tolls and Hong Kong Tramways into a single envelope, with per-customer line or station preferences.

Frequently asked questions
How fast do disruption notices arrive?

From the feed to the customer's handset, P50 is under 90 seconds; the MTR feed itself may be slower at source on incident detection.

Can fleets subscribe to toll receipts without owning the vehicle?

Yes — fleet operators and leasing companies subscribe by licence plate; individual customers by their own plate.

Published
4notify Department of Operations
2026-05-27 · ORD-HK-007

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