Aviation Thread (https://www.reforestnation.ie/offset-your-carbon)

Bit of a Coca Cola bus and factory tour vibe to that.

Trump at fault again. More blood on his hands. A one man air crash causing machine.

@Funtime forgive my intrusion but the MD-11 is a 30 or 40 year old plane at this stage. I’ll say no more

Some shenanigans at Shannon this morning

Why are these surcharges so fucking expensive.

Michael O’Leary 1
@Little_Lord_Fauntleroy 0

Common sense prevails

Are shannon and cork of any use, no?

I’m flying from Shannon today as it happens

Cagers on a maxed out m50 0
People on bikes 1

Have you driven on the m50 mate?

8 million extra people going to the airport a good thing?

1 Like

They can use public transport :+1:

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FFG just cut 2 lublic transport plans for Dublin and now want to increase traffic on the M50

This is what we voted for sadly

We need an outer ring road

Thats been ruled out as not viable but even if it was, shouldnt we build it 1st before we invite more cars onto a maxed out road?

The “more roads, more traffic” paradox, known as Braess’s Paradox, describes how adding new roads or widening existing ones can surprisingly increase overall traffic congestion and travel times, not decrease them. This happens because individual drivers, seeking their own quickest route, collectively overload the new, efficient road, making it congested and shifting traffic to other routes, ultimately worsening the entire network’s flow, a phenomenon linked to both selfish choices and induced demand.

How Braess’s Paradox Works

  1. Individual vs. System Optimization: Drivers choose routes to minimize their own travel time, not the system’s total time.
  2. The Lure of the New Road: A new, fast connector (like a bridge or shortcut) seems attractive, so everyone shifts to it.
  3. Overload & Congestion: The new road quickly becomes saturated, slowing everyone down.
  4. System Worsens: The combined effect of drivers shifting onto the new road and congesting older routes leads to longer travel times for everyone, even those who didn’t use the new road.

Related Concept: Induced Demand

  • Definition: Building more road capacity initially improves flow but encourages more people to drive, or drive longer distances, eventually filling the new capacity and returning congestion to or exceeding previous levels.
  • Mechanism: New roads make driving seem more convenient, leading people to move further away or drive instead of using public transport, creating more demand that the new roads can’t sustainably handle.

Real-World Relevance

  • Applications: The paradox applies to traffic planning, power grids, and even team sports, showing how adding capacity in complex networks can backfire.
  • Solutions: Understanding Braess’s Paradox suggests that sometimes closing roads or managing demand (e.g., through tolls or public transport) can improve traffic more effectively than building more roads.
1 Like