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Road design, safety and Vision Zero
(08-12-2022, 06:28 PM)ac3r Wrote: Fuck cars but this guy is a moron. What kind of person just blindly walks across an intersection like this?

To say he blindly walked out is a blatant mischaracterisation of what the person did.

They clearly looked, you can tell that the way the camera was pointed.

That car took about 2.5 seconds to go from the edge of the roundabout to front wheels on top of the shark's teeth, a 12m distance. From that we can math it out that the car was going an average of 20km/h and a maximum of 3025km/h assuming starting pseed of 1-0km/h as it reached the shark's teeth.  So, again, slow moving car, perfectly reasonable to assume it had been OK to start crossing.

But then, a mere 0.5 seconds later, that car is at the crosswalk nearly hitting the pedestrian who is about 1/3rd the way across, 6m further on. Math again tells us that to have covered 6m in 0.5s they need to have doubled their average speed to about 40km/h for final velocity of 50+km/h on reach the crosswalk. Math tells that we're talking about an accelleration of under 2m/s² up to the shark's teeth and then about 20m/s² after it to double their speed.

(edited for doing the actual math instead of just doing it in my head)

So what we see is a person who started to cross with a slow moving car, doing less than 3020km/h a ways back with more than plenty time to stop npt only by the sharks teeth, but also definitely before the edge of the crosswalk. A completely reasonable decision.


(08-12-2022, 06:28 PM)ac3r Wrote: Whether or not you legally have the right of way you should always stop, ensure there are no cars speeding through

As I show above when the pedestrian made the decision to enter the crosswalk, the only care was slow moving, under 30km/h and a fair distance back with ample space and time to stop. There were no cars speeding through when they entered the crosswalk.

(08-12-2022, 06:28 PM)ac3r Wrote: and attempt to make eye contact with drivers to ensure they see you.

Horse-puckey. All that does is place all the responsibility on the pedestrian and absolves on the driver.

The pedestrian doesn't have to point. The pedestrian doesn't have to make eye contact.  The pedestrian's only responsibility at a crosswalk like this is to note the vehicle's speed and distance and judge whether the driver can reasonable stop in time. And for a car doing less than 30km/h about 20m away, it is reasonable to judge that they can stop.

(08-12-2022, 06:28 PM)ac3r Wrote: Stop and look both ways is something children learn when they're in grade school. I guess this guy forgot.

Don't be ridiculous. there is a pedestrian island so it is effectively a one way street. You don't need to look both ways at that point, only to your left, which they were doing.
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Messages In This Thread
Road design, safety and Vision Zero - by ijmorlan - 05-07-2019, 10:24 PM
RE: Road design, safety and Vision Zero - by plam - 12-04-2020, 04:16 PM
RE: Road design, safety and Vision Zero - by plam - 12-05-2020, 05:26 AM
RE: Road design, safety and Vision Zero - by plam - 12-08-2020, 11:45 PM
RE: Road design, safety and Vision Zero - by plam - 12-06-2020, 05:35 PM
RE: Road design, safety and Vision Zero - by plam - 12-06-2020, 10:41 PM
RE: Road design, safety and Vision Zero - by plam - 01-18-2021, 04:59 PM
RE: Road design, safety and Vision Zero - by plam - 01-18-2021, 10:07 PM
RE: Road design, safety and Vision Zero - by plam - 01-19-2021, 05:00 AM
RE: Road design, safety and Vision Zero - by plam - 01-19-2021, 07:28 PM
RE: Road design, safety and Vision Zero - by plam - 01-21-2021, 05:26 PM
RE: Road design, safety and Vision Zero - by plam - 01-18-2021, 06:34 PM
RE: Road design, safety and Vision Zero - by plam - 01-06-2021, 04:10 PM
RE: Road design, safety and Vision Zero - by plam - 03-22-2021, 05:33 PM
RE: Road design, safety and Vision Zero - by plam - 06-09-2021, 06:25 PM
RE: Road design, safety and Vision Zero - by ac3r - 06-10-2021, 10:46 AM
RE: Road design, safety and Vision Zero - by nms - 12-02-2021, 10:21 PM
RE: Road design, safety and Vision Zero - by timc - 01-05-2022, 02:53 PM
RE: Road design, safety and Vision Zero - by plam - 01-17-2022, 02:16 PM
RE: Road design, safety and Vision Zero - by ac3r - 01-26-2022, 10:20 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-15-2022, 01:11 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-17-2022, 03:18 PM
RE: Road design, safety and Vision Zero - by nms - 05-26-2022, 09:12 PM
RE: Road design, safety and Vision Zero - by ac3r - 06-08-2022, 01:44 PM
RE: Road design, safety and Vision Zero - by nms - 06-08-2022, 09:44 PM
RE: Road design, safety and Vision Zero - by ac3r - 06-09-2022, 10:16 AM
RE: Road design, safety and Vision Zero - by ac3r - 08-12-2022, 06:28 PM
RE: Road design, safety and Vision Zero - by Bytor - 08-12-2022, 07:32 PM
RE: Road design, safety and Vision Zero - by ac3r - 09-23-2022, 05:56 PM
RE: Road design, safety and Vision Zero - by ac3r - 12-18-2022, 02:00 PM
RE: Road design, safety and Vision Zero - by nms - 12-20-2022, 10:38 AM
RE: Road design, safety and Vision Zero - by timc - 01-01-2023, 04:52 PM
RE: Road design, safety and Vision Zero - by timc - 01-02-2023, 10:05 AM
RE: Road design, safety and Vision Zero - by plam - 01-07-2023, 05:49 PM
RE: Road design, safety and Vision Zero - by plam - 01-08-2023, 12:47 PM
RE: Road design, safety and Vision Zero - by plam - 01-08-2023, 05:58 PM
RE: Road design, safety and Vision Zero - by plam - 01-09-2023, 05:11 PM
RE: Road design, safety and Vision Zero - by plam - 01-10-2023, 01:33 PM
RE: Road design, safety and Vision Zero - by plam - 01-10-2023, 06:14 PM
RE: Road design, safety and Vision Zero - by nms - 01-11-2023, 01:49 AM
RE: Road design, safety and Vision Zero - by timc - 02-28-2023, 01:46 PM
RE: Road design, safety and Vision Zero - by plam - 04-03-2023, 12:00 AM
RE: Road design, safety and Vision Zero - by plam - 04-04-2023, 12:50 AM
RE: Road design, safety and Vision Zero - by plam - 03-31-2023, 09:33 AM
RE: Road design, safety and Vision Zero - by ac3r - 07-14-2023, 06:55 PM
RE: Road design, safety and Vision Zero - by plam - 11-12-2023, 12:56 AM
RE: Road design, safety and Vision Zero - by SF22 - 11-30-2023, 09:51 AM
RE: Road design, safety and Vision Zero - by nms - 02-28-2024, 02:19 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-18-2024, 02:01 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-18-2024, 08:24 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-19-2024, 02:11 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-19-2024, 04:43 PM
RE: Road design, safety and Vision Zero - by nms - 03-19-2024, 10:04 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-20-2024, 09:41 PM
RE: Road design, safety and Vision Zero - by nms - 03-22-2024, 09:20 PM
RE: Road design, safety and Vision Zero - by ac3r - 03-27-2024, 12:23 PM
Road design and Vision Zero - by SammyOES - 05-08-2019, 10:19 AM
Road design and Vision Zero - by danbrotherston - 05-10-2019, 11:13 AM
RE: General Road and Highway Discussion - by plam - 05-10-2019, 02:31 PM
Road design and Vision Zero - by danbrotherston - 05-11-2019, 01:48 PM
Road design and Vision Zero - by plam - 05-13-2019, 08:03 AM
Road design and Vision Zero - by jamincan - 05-14-2019, 07:34 AM

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