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Auto drive cars and Texas urban highways...

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Auto drive cars and Texas urban highways...

Old 02-29-16, 07:58 AM
  #1  
genec
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Auto drive cars and Texas urban highways...

Sure, outside the big cities, the highways and traffic are simple... but in dense urban areas, with exit and entrance ramps on both left and right of the road, at times requiring merges across 3 lanes... I suspect some real issues will result.

If you know the area, consider DFW airport (constantly under construction) and even worse traffic as one moves from 121 S to 30 W (short merge areas across 5 lanes... )

Then couple this with the propensity for Texans to drive giant trucks, and the tendency for motorists to drive too fast and NOT signal... hooo boy.

Noticed also that lots of giant SUV drivers just can't seem to keep in their lanes... add in the occasional cell phone distraction... and there is a perfect formula for collisions.

Should be interesting when google et al try to test their vehicles in the Lone Star State... in and around DFW.
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Old 02-29-16, 08:33 AM
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I used to commute into Dallas on 183, at the time one of the most dangerous in the US for auto accidents. I don't know if that's eased up any since then, but I'm going to agree with you. Google's driverless cars have so far shown one weakness: they drive strictly legally and anticipate that other drivers will also. On that road you would cause an accident or be involved in one in short order driving that way. Drivers from outside of the area, coming through at the wrong time, frequently were. I think that autonomous vehicles are going to have to adapt to those types of situations. I don't think it's impossible though.

I-75 had some seriously short on-ramps. I hope that Dallas has fixed that but I suspect not. I can imagine an autonomous car just stopped there waiting patiently, forever, for a safe and legal opportunity to merge and being rear-ended at high speed by drivers not expecting that kind of behavior.
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Old 02-29-16, 09:44 AM
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Exactly... short ramps, short merge areas, merges that require one to move across 3 or more lanes, while dealing with too fast drivers whom themselves fail to hold lanes... it will be interesting.

Heck google GPS could not come close to being able to deal with merging on the left and exiting on the right across 5 lanes in under 1/2 mile.
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Old 02-29-16, 09:52 AM
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I have not been to Houston or Austin for a while... I don't expect those areas to be much better... I do recall from years ago that around Austin, there are signs advocating that drivers should "share the roads" with motorcycles. I just wonder how motorists will deal with law abiding auto drive cars... perhaps special Texas versions of auto drive car that "stands it's ground?"
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Old 02-29-16, 01:55 PM
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Last time I lived in Dallas in the mid 80s the damned Highways were so jam packed, from lack of city preparedness for their population growth, people were taking the city streets instead. Traffic sucked on the Highways, it sucked on Harry Hines Blvd and the Bus system sucked worse than any other Bus system that I've used in any city that I've lived in.

If San Diego is how to do it right, imho, Dallas was how to do it very wrong.
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Old 02-29-16, 03:24 PM
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Originally Posted by wphamilton View Post
Google's driverless cars have so far shown one weakness: they drive strictly legally and anticipate that other drivers will also.
Wait till they get to Russia.


At 2:08, both drivers run the red light.

At 2:44, both drivers run the red light.
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Old 03-01-16, 08:31 AM
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I've seen 3 cars on their roofs on the roads in DFW and still haven't figured out how that happens. I've hit one ladder, dodged a couple more. I've seen cars pinball bounce off retaining walls, jinked around an industrial sized roll of carpet, saw trucks rolling up in flames, and general traffic mayhem with the worst being shortly after any type of precipitation falls. It's a race with no prizes, just a Pass/Fail grade, that I call the DFW 500.
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Old 03-01-16, 09:20 AM
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I wish I was paying attention to the local news a few nights ago but one story was about a google car in america a month ago crashing in to a bus, entirely the google cars fault.

Some months ago in a world first in Adelaide roads were closed to the public so the major driverless car manufacturers could showcase there technology such as Mercedes Volvo Audi and others. They acted like there systems would be foolproof, also had the media and back slapping politicians there talking up our driverless future. Well they all crashed and most of the testing planed was cancelled.

The next day Volvo did some simple low speed brake tests, media in the back seat a politician and Volvo technician in the front it crashed in to the fake car in front.
I think were a long way off seeing driverless cars on the road but of course there going to try pushing the idea through too fast and people are going to get injured or killed in the process, just wait and see.
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Old 03-01-16, 12:31 PM
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Originally Posted by Zinger View Post
If San Diego is how to do it right...
??? says who?
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Old 03-01-16, 02:46 PM
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Originally Posted by RubeRad View Post
??? says who?
Says someone who has appreciated both their highway planning and excellent public transport and has had the opportunity to compare it to others.
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Old 03-01-16, 06:26 PM
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Wow, I didn't know we had it so good! (I only knew we have it MUCH better than L.A.)
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