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Detour: Route 20 Rideau due to closure of Alfred and lanes on Montfort: October 01 2026 - From 10:00 am on Monday, October 5, until 6:00 pm on Friday, December 4, a closure of Alfred Street and lanes of Montfort Street for the Montfort, Alfred, and Granville Integrated Renewal Project, will require route 20 Rideau to detour. Route 20 Rideau will detour along Montreal and Ste-Anne before continuing on its regular route. Please allow extra time for your travels. Affected stops Bus Stop (560#) not in use · Routes · Alternate Stop #8749 -- Alfred (east-side) / Montreal · · 20 Rideau · #1543 -- Montreal (north-side) / Granville #7046 -- Montfort (north-side) / Alfred · · 20 Rideau · #1543 -- Montreal (north-side) / Granville #8745 -- Montfort (north-side) / Ste-Anne · · 20 Rideau · TEMP -- Ste-Anne (east-side) / Montfort Detour routing 20 Rideau: From Montreal at Alfred, continue on Montreal, turn right onto Ste-Anne, left onto Montfort, continue to regular route. Detour map+1 more notice

No 20 trips cancelled now · 1 did not run in NovemberCancellations →

Previous measure: 65.1% of arrivals were within five minutes of the timetable (89,859 arrivals over 27 days). The report card below uses the newer one-minute-early to five-minutes-late measure when it has readings.

20

Route 20: Rideau ⇄ St-Laurent

Every 29 to 35 min

Toward Rideau1 buses · boards at · under each stop: the next bus (live dot = live, grey = sched.)
  1. ST-LAURENT D38 min sched.
  2. ST-LAURENT / OGILVIE40 min sched.
  3. ST-LAURENT / CYRVILLE40 min sched.
  4. ST-LAURENT / AD. 105541 min sched.
  5. DONALD / ST-LAURENT41 min sched.
  6. DONALD / FINDON42 min sched.
  7. DONALD / CUMMINGS42 min sched.
  8. CUMMINGS / DONALD43 min sched.
  9. CUMMINGS / SNOW43 min sched.
  10. CUMMINGS / SHANE44 min sched.
  11. CUMMINGS / GARDENVALE44 min sched.
  12. CUMMINGS / BURN45 min sched.
  13. CUMMINGS / QUÉBEC45 min sched.
  14. CUMMINGS / CLARKE46 min sched.
  15. CUMMINGS / WILSON46 min sched.
  16. CUMMINGS / MONTRÉAL47 min sched.
  17. MONTRÉAL / MONTFORT HOSPITAL47 min sched.
  18. MONTFORT HOSPITAL48 min sched.
  19. BRITTANY / MONTRÉAL50 min sched.
  20. BRITTANY / KRISTIN51 min sched.
  21. BRITTANY / TRURO51 min sched.
  22. BRITTANY / BANGS52 min sched.
  23. ST-LAURENT / DUNBARTON53 min sched.
  24. ST-LAURENT / AD. 50553 min sched.
  25. ST-LAURENT / MONTRÉAL54 min sched.
  26. MONTRÉAL / NOTRE-DAME CEMETERY54 min sched.
  27. MONTRÉAL / DE L'ÉGLISE55 min sched.
  28. MONTRÉAL / GRANVILLE55 min sched.
  29. STE ANNE / MONFORT56 min sched.
  30. MONTFORT / PARK57 min sched.
  31. MONTFORT / MARIER57 min sched.
  32. MARIER / LONGPRE58 min sched.
  33. DES PÈRES-BLANCS / MARIER59 min sched.
  34. DES PÈRES-BLANCS / LONGPRÉ59 min sched.
  35. DES PÈRES-BLANCS / LEBRUN0 min
  36. 300 DES PÈRES BLANCS1 min
  37. DES PÈRES-BLANCS / LEBRUN1 min
  38. DES PÈRES-BLANCS / MARQUETTE2 min
  39. DES PÈRES-BLANCS / MARIER3 min
  40. MARIER / GENEST3 min
  41. MARIER / BARRETTE4 min
  42. BEECHWOOD / ST CHARLES5 min
  43. BEECHWOOD / MACKAY6 min
  44. OLD ST PATRICK / COBOURG8 min
  45. OLD ST PATRICK / BEAUSOLEIL8 min
  46. ST PATRICK / BEAUSOLEIL10 min
  47. ST PATRICK / CUMBERLAND10 min
  48. DALHOUSIE / ST PATRICK11 min
  49. DALHOUSIE / YORK12 min
  50. RIDEAU D13 min
  51. RIDEAU A16 min sched.
Loading

Slowest stretches · running measure, Oct 8 to Nov 4

Of the slowest stretches, the most time is lost between ⁨300 DES PÈRES BLANCS⁩ and ⁨BRITTANY / MONTRÉAL⁩.

  1. +2 min300 DES PÈRES BLANCS – BRITTANY / MONTRÉAL
    17 km/h seen, 20 km/h in the timetable
  2. +1.4 minRIDEAU B – ST PATRICK / COBOURG
    11 km/h seen, 13 km/h in the timetable
  3. +0.8 minMONTFORT HOSPITAL – BRITTANY / MONTRÉAL
    9 km/h seen, 13 km/h in the timetable
  4. +0.7 minST-LAURENT D – MONTFORT HOSPITAL
    16 km/h seen, 17 km/h in the timetable
  5. +0.5 minST PATRICK / COBOURG – 300 DES PÈRES BLANCS
    18 km/h seen, 19 km/h in the timetable
How we measure →

This is the running reliability measure, not the report-card measure: for each stretch between two stops, how long buses really took against how long the timetable allows, over 25 counted days at all hours. It shows which stretches run behind, not how often. The report-card measure replaces it as soon as it has enough weekdays.

Example: a one-kilometre stretch the timetable runs at 20 km/h takes 3 minutes; if buses averaged 15 km/h it took 4, so 1 minute is lost there.

The line right now · 5:41 a.m.

The line right now · 5:41 a.m.

Live, 55 s ago

on timelatedid not comeLive, 55 s ago

Toward Rideau1 buses · boards at · under each stop: the next bus (live dot = live, grey = sched.)
  1. ST-LAURENT D38 min sched.
  2. ST-LAURENT / OGILVIE40 min sched.
  3. ST-LAURENT / CYRVILLE40 min sched.
  4. ST-LAURENT / AD. 105541 min sched.
  5. DONALD / ST-LAURENT41 min sched.
  6. DONALD / FINDON42 min sched.
  7. DONALD / CUMMINGS42 min sched.
  8. CUMMINGS / DONALD43 min sched.
  9. CUMMINGS / SNOW43 min sched.
  10. CUMMINGS / SHANE44 min sched.
  11. CUMMINGS / GARDENVALE44 min sched.
  12. CUMMINGS / BURN45 min sched.
  13. CUMMINGS / QUÉBEC45 min sched.
  14. CUMMINGS / CLARKE46 min sched.
  15. CUMMINGS / WILSON46 min sched.
  16. CUMMINGS / MONTRÉAL47 min sched.
  17. MONTRÉAL / MONTFORT HOSPITAL47 min sched.
  18. MONTFORT HOSPITAL48 min sched.
  19. BRITTANY / MONTRÉAL50 min sched.
  20. BRITTANY / KRISTIN51 min sched.
  21. BRITTANY / TRURO51 min sched.
  22. BRITTANY / BANGS52 min sched.
  23. ST-LAURENT / DUNBARTON53 min sched.
  24. ST-LAURENT / AD. 50553 min sched.
  25. ST-LAURENT / MONTRÉAL54 min sched.
  26. MONTRÉAL / NOTRE-DAME CEMETERY54 min sched.
  27. MONTRÉAL / DE L'ÉGLISE55 min sched.
  28. MONTRÉAL / GRANVILLE55 min sched.
  29. STE ANNE / MONFORT56 min sched.
  30. MONTFORT / PARK57 min sched.
  31. MONTFORT / MARIER57 min sched.
  32. MARIER / LONGPRE58 min sched.
  33. DES PÈRES-BLANCS / MARIER59 min sched.
  34. DES PÈRES-BLANCS / LONGPRÉ59 min sched.
  35. DES PÈRES-BLANCS / LEBRUN0 min
  36. 300 DES PÈRES BLANCS1 min
  37. DES PÈRES-BLANCS / LEBRUN1 min
  38. DES PÈRES-BLANCS / MARQUETTE2 min
  39. DES PÈRES-BLANCS / MARIER3 min
  40. MARIER / GENEST3 min
  41. MARIER / BARRETTE4 min
  42. BEECHWOOD / ST CHARLES5 min
  43. BEECHWOOD / MACKAY6 min
  44. OLD ST PATRICK / COBOURG8 min
  45. OLD ST PATRICK / BEAUSOLEIL8 min
  46. ST PATRICK / BEAUSOLEIL10 min
  47. ST PATRICK / CUMBERLAND10 min
  48. DALHOUSIE / ST PATRICK11 min
  49. DALHOUSIE / YORK12 min
  50. RIDEAU D13 min
  51. RIDEAU A16 min sched.
Toward St-Laurent1 buses · boards at · under each stop: the next bus (live dot = live, grey = sched.)
  1. RIDEAU B26 min sched.
  2. DALHOUSIE / RIDEAU30 min
  3. DALHOUSIE / CLARENCE31 min
  4. MURRAY / DALHOUSIE32 min
  5. MURRAY / CUMBERLAND33 min
  6. MURRAY / KING EDWARD34 min
  7. BEAUSOLEIL / ST PATRICK34 min
  8. OLD ST PATRICK / DE LA SALLE H.S.35 min
  9. OLD ST PATRICK / COBOURG35 min
  10. ST PATRICK / COBOURG36 min
  11. BEECHWOOD / LOYER38 min
  12. BEECHWOOD / ST CHARLES38 min
  13. MARIER / BEECHWOOD39 min
  14. MARIER / GENEST39 min
  15. DES PÈRES-BLANCS / MARIER40 min
  16. DES PÈRES-BLANCS / LONGPRÉ40 min
  17. DES PÈRES-BLANCS / LEBRUN41 min
  18. 300 DES PÈRES BLANCS41 min
  19. DES PÈRES-BLANCS / LEBRUN43 min
  20. DES PÈRES-BLANCS / MARQUETTE43 min
  21. DES PÈRES-BLANCS / MARIER43 min
  22. MARIER / LONGPRE40 min sched.
  23. MARIER / MONTFORT40 min sched.
  24. MONTFORT / BRADLEY41 min sched.
  25. MONTFORT / STE ANNE41 min sched.
  26. MONTFORT / GRANVILLE42 min sched.
  27. GRANVILLE / MONTRÉAL42 min sched.
  28. MONTRÉAL / LAFONTAINE43 min sched.
  29. MONTRÉAL / DE L'ÉGLISE43 min sched.
  30. MONTRÉAL / NOTRE-DAME CEMETERY44 min sched.
  31. ST-LAURENT / MONTRÉAL45 min sched.
  32. ST-LAURENT / AD. 50546 min sched.
  33. ST-LAURENT / BRITTANY46 min sched.
  34. BRITTANY / COLEFORD46 min sched.
  35. BRITTANY / BANGS47 min sched.
  36. BRITTANY / QUARRY48 min sched.
  37. BRITTANY / KRISTIN48 min sched.
  38. BRITTANY / MONTRÉAL48 min sched.
  39. MONTRÉAL / CUMMINGS49 min sched.
  40. MONTRÉAL / MONTFORT HOSPITAL50 min sched.
  41. MONTFORT HOSPITAL51 min sched.
  42. CUMMINGS / MONTRÉAL54 min sched.
  43. CUMMINGS / WILSON55 min sched.
  44. CUMMINGS / CLARKE56 min sched.
  45. CUMMINGS / QUÉBEC57 min sched.
  46. CUMMINGS / BURN57 min sched.
  47. CUMMINGS / GARDENVALE58 min sched.
  48. CUMMINGS / SHANE59 min sched.
  49. CUMMINGS / CARON60 min sched.
  50. CUMMINGS / DONALD61 min sched.
  51. DONALD / CUMMINGS61 min sched.
  52. DONALD / HENDON62 min sched.
  53. DONALD / ST-LAURENT63 min sched.
  54. ST-LAURENT / DONALD0 min sched.
  55. ST-LAURENT / QUEEN MARY1 min sched.
  56. ST-LAURENT / COVENTRY2 min sched.
  57. ST-LAURENT / LEMIEUX3 min sched.
  58. ST-LAURENT C3 min sched.

Stops and scheduled times from OC Transpo’s timetable (GTFS, 2026-10-30). Live minutes from bus positions, 55 s ago.

Right now on Route 20

Departures · next from ⁨ST-LAURENT D⁩: ⁦38 min⁩each opens its trip
2 busesOpen on the map
2 notices · Detour: Route 20 Rideau due to closure of Alfred and lanes on Montfort; Detour Route 20 Southfrom OC Transpo
Planned change · 2026-10-30service change

Dated service

Trips scheduled that day

The timetable, notices and what the live feed says are shown apart. Seeing a bus on the map does not prove you can board it.

November 4, 2026 · 67 trips in the retained timetable · retained notices; capture coverage unverified

In short: 67 with a matched position · 0 with no matching position (to investigate) · 0 with an unknown outcome.

  1. 05:10– 05:45
    Trip 9093040Vehicle position matchedFirst / last feed position: 4:51 a.m. EST / 6:14 a.m. EST; not actual start or end times.
  2. 05:20– 05:58
    Trip 9678040Vehicle position matchedFirst / last feed position: 5:10 a.m. EST / 5:56 a.m. EST; not actual start or end times.
  3. 06:08– 06:49
    Trip 31020040Vehicle position matchedFirst / last feed position: 5:55 a.m. EST / 6:53 a.m. EST; not actual start or end times.
  4. 06:20– 06:58
    Trip 32243040Vehicle position matchedFirst / last feed position: 6:10 a.m. EST / 6:59 a.m. EST; not actual start or end times.
  5. 06:40– 07:27
    Trip 4697040Vehicle position matchedFirst / last feed position: 6:14 a.m. EST / 7:34 a.m. EST; not actual start or end times.
  6. 06:50– 07:36
    Trip 33635040Vehicle position matchedFirst / last feed position: 6:42 a.m. EST / 7:30 a.m. EST; not actual start or end times.
  7. 07:10– 07:58
    Trip 32555040Vehicle position matchedFirst / last feed position: 6:59 a.m. EST / 8:05 a.m. EST; not actual start or end times.
  8. 07:20– 08:09
    Trip 28588040Vehicle position matchedFirst / last feed position: 7:06 a.m. EST / 8:10 a.m. EST; not actual start or end times.
  9. 07:45– 08:33
    Trip 7417040Vehicle position matchedFirst / last feed position: 7:31 a.m. EST / 8:40 a.m. EST; not actual start or end times.
  10. 07:50– 08:41
    Trip 7103040Vehicle position matchedFirst / last feed position: 7:45 a.m. EST / 8:43 a.m. EST; not actual start or end times.
  11. 08:18– 09:06
    Trip 15044040Vehicle position matchedFirst / last feed position: 8:08 a.m. EST / 9:12 a.m. EST; not actual start or end times.
  12. 08:20– 09:11
    Trip 5895040Vehicle position matchedFirst / last feed position: 8:27 a.m. EST / 9:15 a.m. EST; not actual start or end times.

More on Route 20
Report

Detour: Route 20 Rideau due to closure of Alfred and lanes on Montfort: October 01 2026 - From 10:00 am on Monday, October 5, until 6:00 pm on Friday, December 4, a closure of Alfred Street and lanes of Montfort Street for the Montfort, Alfred, and Granville Integrated Renewal Project, will require route 20 Rideau to detour. Route 20 Rideau will detour along Montreal and Ste-Anne before continuing on its regular route. Please allow extra time for your travels. Affected stops Bus Stop (560#) not in use · Routes · Alternate Stop #8749 -- Alfred (east-side) / Montreal · · 20 Rideau · #1543 -- Montreal (north-side) / Granville #7046 -- Montfort (north-side) / Alfred · · 20 Rideau · #1543 -- Montreal (north-side) / Granville #8745 -- Montfort (north-side) / Ste-Anne · · 20 Rideau · TEMP -- Ste-Anne (east-side) / Montfort Detour routing 20 Rideau: From Montreal at Alfred, continue on Montreal, turn right onto Ste-Anne, left onto Montfort, continue to regular route. Detour map+1 more notice

No 20 trips cancelled now · 1 did not run in NovemberCancellations →

2 busesOpen on the map
Planned change · 2026-10-30service change

Would you count on route 20?

No sign-in needed. A vote from a device that is not signed in counts a little less than one from an account, and a person who rates many routes counts a little less on each, so no one voice outweighs the rest.

Cancellations on this route

How cancellations are counted

2 partial-capture days not counted.

1414 scheduled trips with counted cancellation notices, Thu, Oct 8 to Wed, Nov 4.

Not counted: 22 trips with qualifying later matching vehicle observations and 0 for trips not in that day’s timetable.

Hours with the most cancellations: 1 p.m. (3), 5 p.m. (3), 4 p.m. (2)

Latest cancelled trips

  • Tue, Nov 3, Trip at 23:10
  • Mon, Nov 2, Trip at 15:52
  • Thu, Oct 29, Trip at 17:01
  • Wed, Oct 28, Trip at 17:01
  • Tue, Oct 27, Trip at 20:10

OC Transpo gives no reason for single trips, so none is shown.

Did not come (no bus seen, no notice), last 7 days: 1 of 448 trips we could check.

City road work near this route

All road work on Alerts

Road work and event closures the City of Ottawa has published, measured as near this route’s path. Near is not proof that the bus is detoured: check the operator’s alerts for that.

The City’s road work list could not be read just now. Nothing is assumed.

Source: City of Ottawa open data. City road work map

More on Route 20

  • Other daysOctober 2026
    Days →
  • Today’s timelineArchived bus positions in Replay
    Replay →
  • Road work on this routeStops moved and time added by road work
    Works →
  • Service change scorecardHow a service change did
    Scorecard →
  • Crowding and service deliverySTO crowding, rail, trips delivered
    Crowding →
  • Where the numbers come fromOC Transpo timetable and live bus positions
    Sources →
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  • Full report card
  • Tell your councillor
  • Fix this routePropose a change to this route in Design the network
    Fix this →
  • Change this routeDraw a different route or timetable in Design the network
    Change this route →