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The Dreaded Bridge

Ponte 25 de Abril · Telemetry Feed

just nowrefreshes every 30 minLast measured at 07:00 Lisbon.

Almada → Lisboa

Northbound

Corridor monitor · Northbound (Almada → Lisboa)

FlowingSlowDreadful

Dread score

5/10

Slow

27 min to cross — +13 min on the 13.2 min free-flow baseline

Measured at
07:00 Lisbon
Segment
9.1 km
Baseline
13.2 min
Ratio
2.05×

“Add a few minutes and leave anyway.”

Measured against a fixed baseline, so the score means the same thing every day.

What the score means

Dread against a 13.2 min baseline

  • 0–1ClearFree-flowing or close to it.
  • 2–3BusyHeavier than empty, still moving.
  • 4–5SlowcurrentQueuing. Add a few minutes.
  • 6–7GrimSolid traffic through the choke.
  • 8–9DireNear the worst it gets.
  • 10Abandon hopeTake the train, or do not go.

The score compares the live crossing time against a fixed free-flow baseline, so a 7 means the same thing next month as it does today.

Strategic dispatch

What should you do about it?

Verdict nowSlow
Crossing27 min

Queuing through the choke. Leaving later today rarely helps as much as leaving now.

Baseline 13.2 min · 2.05× · score 5/10

Free-flow benchmark

Ideal
Free-flow crossing time
13.2 min
Distance and implied speed
9.1 km · ~41 km/h implied
Today 2.05× this

Lisboa → Almada

Southbound

Corridor monitor · Northbound (Almada → Lisboa)

FlowingSlowDreadful

Dread score

0/10

Clear

12.2 min to cross — +0.4 min on the 11.8 min free-flow baseline

Measured at
07:00 Lisbon
Segment
9.2 km
Baseline
11.8 min
Ratio
1.03×

“Leave now. There is nothing to report.”

Measured against a fixed baseline, so the score means the same thing every day.

What the score means

Dread against a 11.8 min baseline

  • 0–1ClearcurrentFree-flowing or close to it.
  • 2–3BusyHeavier than empty, still moving.
  • 4–5SlowQueuing. Add a few minutes.
  • 6–7GrimSolid traffic through the choke.
  • 8–9DireNear the worst it gets.
  • 10Abandon hopeTake the train, or do not go.

The score compares the live crossing time against a fixed free-flow baseline, so a 7 means the same thing next month as it does today.

Strategic dispatch

What should you do about it?

Verdict nowClear
Crossing12.2 min

It is as close to free-flowing as this bridge gets. Go while it lasts.

Baseline 11.8 min · 1.03× · score 0/10

Free-flow benchmark

Ideal
Free-flow crossing time
11.8 min
Distance and implied speed
9.2 km · ~47 km/h implied
Today 1.03× this