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Traffic studies; useful or junk?

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Traffic studies; useful or junk?

Old 04-19-23, 10:34 AM
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Originally Posted by Roughstuff
"human piloted automobiles of low occupancy are an INCREDIBLY inefficient way to get people around, and i believe induced demand is very real, so we need to start with policies/goals that discourage the use of private automobiles to the extreme."

Buses ---the favorite hobby horse of the mass transit crowd--- with low occupancy are even more incredibly inefficient. Not only are they longer, wider, and higher than almost any vehicle on the road, they make frequent stops in the very lanes, and crossing the very lanes, that we cyclists seem to think should be sacrosanct for us.
Article writer addresses intended purpose of roads while reviewing a new safety feature from Skoda.
Skoda claims its digital grille can warn pedestrians they're about to be run over



Warning: The cited article may be hazardous to the emotional stability of bicycling/pedestrian advocates without a sense of humor or an ability to recognize sarcasm.
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Old 04-19-23, 11:32 AM
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Originally Posted by I-Like-To-Bike
Article writer addresses intended purpose of roads while reviewing a new safety feature from Skoda.
Skoda claims its digital grille can warn pedestrians they're about to be run over



Warning: The cited article may be hazardous to the emotional stability of bicycling/pedestrian advocates without a sense of humor or an ability to recognize sarcasm.
Not sure why you posted it in this thread, but could you spare us your usual nonsense about advocates? The article makes the point well enough that people will get what's wrong with the assumptions behind the Skoda idea.

I do think that car signaling is deficient in that you can't tell the driver's intentions from the front, but it appears that Skoda wants to use red to indicate that a driver is going rather than stopping. That's pretty damn confusing as it's the opposite of brake lights but the same color.
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Old 04-19-23, 01:24 PM
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Originally Posted by I-Like-To-Bike

Warning: The cited article may be hazardous to the emotional stability of bicycling/pedestrian advocates without a sense of humor or an ability to recognize sarcasm.
Seems like advocacy may have some impact on the emotional stability of those with certain socio-political persuasions.
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Old 04-19-23, 01:35 PM
  #29  
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I serve on the local zoning board of my small town and see traffic studies from time to time. They are, by definition, car-centric, and usually conducted by earnest professionals who graduated 20+ years ago, long before the new trend towards bike infrastructure and downtown-centric development. There is a new generation of planning professionals that don't automatically place the car at the center of transportation discussions but it will take some idea for these ideas to percolate through the whole process. Until then, we should keep pushing and advocating for bike friendly infrastructure.

If you don't already pay attention to the issues that your local council and planning boards have on the docket, please consider tracking them and showing up when it concerns cycling. I can't speak for all boards, but our board listens carefully to the concerns of community members that show up at our meetings. They are neighbors, after all.
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Old 04-20-23, 12:44 PM
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Originally Posted by MaryMack
Plz send me the link
https://www.confessions.engineer/
and https://www.strongtowns.org/
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Old 04-24-23, 06:16 PM
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I ran across a r*dd*t subforum in r/f*ckc*rs called "This weekend 18.000 people in #Muenchen kindly demonstrated to decision-makers how to easily optimize throughput. Traffic engineers, you're welcome!"



It took 18,000 people on bicycles to clear a specific section of a highway approximately 1 hr.

I asked if there were any data showing how long it would take for 18000 people in motor vehicles to clear the same section of the same highway. I got a discussion involving assumptions that would go into traffic models. However, since this is an existing highway, I would be certain there should be real-life data for what I was asking.
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Old 04-24-23, 08:41 PM
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Originally Posted by Daniel4
I ran across a r*dd*t subforum in r/f*ckc*rs called "This weekend 18.000 people in #Muenchen kindly demonstrated to decision-makers how to easily optimize throughput. Traffic engineers, you're welcome!"



It took 18,000 people on bicycles to clear a specific section of a highway approximately 1 hr.

I asked if there were any data showing how long it would take for 18000 people in motor vehicles to clear the same section of the same highway. I got a discussion involving assumptions that would go into traffic models. However, since this is an existing highway, I would be certain there should be real-life data for what I was asking.
there are many factors at work but for an uncongested freeway the guidelines in california estimate 2,200 vehicles per lane per hour. at an occupancy of 1.25 that means you need almost 7 lanes in each direction.

at more common service levels it’s 1,500 per hour, bringing you up past 10 lanes.

a single 8’ wide heavy rail metro line can easily exceed 50,000 people per hour with computer control, long trains, and very short headways, although more typically the upper end is around 30,000, making it “only” about 20 times more space efficient than freeways, and that’s BEFORE you figure how much land the tens of thousands of cars take to park.
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