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What happened
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Buses now:on timelateyou

1O-Train Line 1 · station 3024

Tremblay

Trains · timetableon timelateno reading
Every 5 to 12 min · sched. then 5:13
1
1Tunney's Pasture · platform 1
Not measured yet
5:04
sched. then 5:13
Every 7 to 11 min · sched. then 5:25
1
1Blair · platform 2
Not measured yet
5:17
sched. then 5:25
Buses at Tremblay · liveupdated 30 s ago
Every 25 to 49 min · then 29 · 79 sched.
39
39Rideau · platform B · every 25 to 49 min
Not measured yet
3minlive
then 29 · 79 sched.
Every 30 min · sched. then 2:36
39
39Trim · platform A · every 30 to 30 min
Not measured yet
3:16
sched. then 2:36
Every 25 to 30 min · sched. then 4:09
39
39Place d'Orléans · platform A · every 25 to 30 min
Not measured yet
3:39
sched. then 4:09
Every 28 to 37 min · sched. then 5:48
105
105St-Laurent · platform A · every 28 to 37 min
Not measured yet
5:12
sched. then 5:48
Every 25 to 27 min · sched. then 5:38
105
105Uplands · platform B · every 25 to 27 min
Not measured yet
5:13
sched. then 5:38
39
39Hurdman
platform B
Not measured yet
5:15
from the timetable
Entrances and elevators

We cannot confirm elevator status right now.

89.4% predicted within five minutes of schedule. 659 eligible provider predictions; arrivals not independently measured
Why →

More at this station

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Bike parking here4 places within 5 min · nearest: Racks for 8 bikes, covered, 1 min walkBike parking: OpenStreetMap, data as of Jun 1, 2026. The walk is an estimate.
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Station details

Step-free route

Current notice coverage cannot be confirmed. Retained notices below may have unconfirmed timing or source evidence. Check the operator before you travel.

All elevators in the network

Buses from here

Tap a route for live buses and how full they are.

In the station

  • Drinking water nearby

Performance

Service delivery · evidence state

Service at TREMBLAY

Cancellations at this station

Local count unavailable

The exact stop-call lookup did not finish within this page’s time budget. No zero, cancellation, or missed call is inferred.

Departure-board snapshot
38 listed departures · 3 live provider predictions

Server snapshot assembled Nov 4, 2026, 2:34 a.m.; open Departures for a refreshed board. This is not a cancellation count.

Prediction agreement
89.4% predicted within five minutes of schedule. 659 eligible provider predictions; arrivals not independently measured
Bus prediction reliability at this station

Verdict

Bus prediction reliability at this station

Early evidence: 5 of 20 weekdays with eligible final provider predictions. This updates hourly; more records will make the estimate steadier.

89.4% of final provider predictions within 5 minutes of the timetable, from 659 predictions over 5 weekdays. The lowest sampled hour is 00:00 at 83%.

Median predicted difference from the timetable: 44 s late. At the 95th percentile: 7 min late.

Final provider predictions for conventional bus arrivals at OC Transpo and STO stations; physical arrivals are not independently verified. Express (200/500), shopper/community (300), event (400), and school (600) routes are excluded because each needs a purpose-specific measure. STO routes are included and graded by their own families: Rapibus 100, 200, 400 and 800 count, and STO school journeys numbered 300 and above are excluded the way OC Transpo’s 600s are. Each operator is measured against its own service, never against the other’s. This station also has 1 O-Train line. This line is not included because OC Transpo does not publish realtime rail data.

We use the agency’s last prediction within ten minutes of each scheduled arrival. 5 weekdays with eligible predictions, 2026-10-28 to 2026-11-03. Within five minutes means the final prediction differs from the schedule by no more than five minutes.

Final provider predictions within five minutes of the timetable, by hour, 5 weekdays
  1. 00:00: 82.9% of final predictions within five minutes of the timetable, 35 predictions, typically 1 min late
  2. 01:00: 96.7% of final predictions within five minutes of the timetable, 30 predictions, typically 1.8 min late
  3. 02:00: not enough data
  4. 03:00: not enough data
  5. 04:00: not enough data
  6. 05:00: 84.8% of final predictions within five minutes of the timetable, 33 predictions, typically 1.4 min late
  7. 06:00: not enough data
  8. 07:00: not enough data
  9. 08:00: not enough data
  10. 09:00: not enough data
  11. 10:00: not enough data
  12. 11:00: not enough data
  13. 12:00: not enough data
  14. 13:00: not enough data
  15. 14:00: not enough data
  16. 15:00: 97% of final predictions within five minutes of the timetable, 33 predictions, typically 0 min late
  17. 16:00: not enough data
  18. 17:00: not enough data
  19. 18:00: not enough data
  20. 19:00: not enough data
  21. 20:00: not enough data
  22. 21:00: not enough data
  23. 22:00: not enough data
  24. 23:00: not enough data
  • 90% or more of predictions within five minutes
  • 80 to 90% of predictions within five minutes
  • under 80% of predictions within five minutes
  • not enough data

How TREMBLAY is doing

These indicators separate repeated delay from variation in the operator’s arrival predictions. They suggest questions for planners and operations staff; they do not establish the cause or prove when buses arrived. Each figure shows its route-hour sample.

Measured over 4 route-hours. 0 more were observed too thinly to count, and are excluded rather than assumed good.

Scheduling

Repeated late predictions can point to a timetable worth reviewing. Check actual arrival and dispatch records before deciding whether running time needs to change.

Who can fix it
A service planner
What it costs
Cost unavailable until fleet, labour, recovery and transfer effects are tested.

Predictions close to the timetable

Not enough evidence this month to publish this indicator.

Route-hours where the median eligible arrival prediction is less than one minute early and less than three minutes late.

Route-hours with repeated late predictions

0of 4

Route-hours where the median eligible arrival prediction is at least three minutes late. Review running time against actual operating records.

Route-hours with early predictions

0of 4

Route-hours where the median eligible arrival prediction is at least one minute early. This does not establish that buses departed early.

Typical predicted delay

Not enough evidence this month to publish this indicator.

The typical median predicted delay in flagged route-hours; not a validated amount to add to the timetable.

Operations: not measurable here

This site records a median delay for each hour at a stop, and no percentile, so the gap between a normal trip and a bad one cannot be worked out. That is a limit of our own measurement, not a finding about this place.

Measurements

Calculated: · Method: settled-arrivals-oc-sto-conventional-v5

O-Train evidence

What we know about train service here

Open the train observation report

Trains are not in the public data feed

The bus punctuality reports compare archived arrival predictions with published schedules. They do not count independently measured physical arrivals. Otranspo has no comparable public train-position dataset for these reports, so those bus figures cannot show where a train is or whether Lines 1, 2 and 4 run on time.

Publishing train positions, their timestamps, and the measurement method would help build a separate, verifiable record of rail service. The missing dataset does not establish how the trains performed.

Recent shared train observations

These are rider sightings approved by a moderator. They show a reported time and place. They are not official train positions, a complete train count, or proof of a cause.

No approved rider observation matches this place or line in the last 31 days. That does not mean no train ran or no problem occurred.

Share what you observedCheck all official service alertsOpen train research and history
Station evidence and sources
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Rider evidence

Community reports

Signals below are moderated community aggregates, not official operator notices or reliability scores.

You can report without signing in. Anonymous reports count a little less when we calculate public patterns. You can add an account after submitting.

Report a specific problem

Emergency: call 9-1-1. Check official OC Transpo or STO notices before travelling.

Evidence behind this pageOpen the definition, method, sources, dates, coverage, and known limits.

What is being shown

A current station board assembled from the imported timetable and any usable operator prediction for each trip.

How it was produced

Platforms sharing the station stop code are grouped, scheduled trips are read from the current GTFS, and a live time is used only when the operator publishes a matching prediction.

Evidence dates

Computed or assembled
Sample
38 departures across 4 published platform records in the current four-hour board.
Coverage
3 departures have a published live prediction; 35 are timetable-only.

Sources

Limits to keep in mind

  • OC Transpo does not publish live rail positions or predictions in the feed used here, so rail times are timetable-only.
  • The stop source does not publish a complete station accessibility chain, entrances, or indoor paths.
Suggest a factual correction

Contains information licensed under the Open Government Licence – City of Ottawa.