Why are more roundabouts being put in across California's roadways?
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- เผยแพร่เมื่อ 25 ก.ค. 2024
- Love them or hate them, roundabouts are being used more and more for intersections and ABC10 wanted to know why.
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Driving in Europe I love them. No stop and go. Saves time and gas.
depends a lot on the amount of traffic which goes through there, and the road itself. Driving 3 roundabouts after another costs more gas than just driving down a straight road and a constant speed
Cool. Too bad roundabouts replace traffic lights. Guess what happens to your "constant speed" with those.
Not always, pretty much every country except for the netherlands likes to just throw in a roundabout wherever they can. The netherlands has thought this through and they only use roundabouts at specific locations, else they’ll use traffic calming measures such as narrowing the road, single lane for cars, raised intersections, raised crosswalks, raised crossings, priority squares, etc. You don’t need a roundabout at every intersection and if your country is doing that then they’re doing it very wrong.
@@EnjoyFirefightingthat’s not a good reason, traffic lights make you stop which makes you use more fuel.
@@matthewnorman9803 it is. There weren't any traffic lights before that. It was a road where you could keep a steady speed
I lived in Carmel, Indiana, and the city is in an ongoing program to install roundabouts on all of its major intersections. They currently have completed construction on over 150 of them. They slow down traffic through the intersection, making them safer than the other intersections they save time and gasoline because they don't cause a bunch of cars to be sitting idle, waiting for the light to change colors. I loved driving in Carmel with all the roundabouts. My trips across town were cut in half. My route from my house to the church I attend took me on two busy roads with about 8 traffic signals. It took me about a half hour to drive it. As Carmel put more and more of those roundabouts in, I started driving an alternative route to church. It was not as direct a route and may be longer in mileage, but it cut my travel time in half. I am a very big supporter of using roundabouts at all intersections. Even at interchanges where diverging diamonds are replacing diamond interchanges, Carmel uses bowtie roundabouts or two roundabouts, eliminating the traffic signals still required by the diverging diamond interchange. It still seems to be a better way to move the traffic through the interchange.
Carmel Indiana has about 200 roundabouts with more coming.
I strongly disliked the idea of roundabouts, until I got t-boned at a regular traffic-light controlled intersection. I will admit now that they do reduce traffic fatalities, and if the intersection I got t-boned at had had a roundabout, I would not have wound up in the hospital after the other driver ran the redlight.
Me, me, me
@@joedirt6073?????
@@cowmann3555
Who was the most important entity in his speech?
People get in crashes for various reasons. When we had a major road's traffic light controlled intersection replaced with a modern multi-lane roundabout it had its falsity in living memory. Multi-lane roundabouts have demonstrated time and agin they are dangerous. I watch for people running intersections to avoid a T-bone crash. Now that a local town has replaced three heavily used stop sign controlled all way stop intersection with single lane roundabouts, I was following a car when from the side street a car ran the stop sign exactly how people enter a roundtable. I saw the car approaching the main road and was watching and backed off. The car in front of me did not, braking, but still T-boning the front of the entering car at about 20 mph. Both cars are likely totaled.
@@douglasengle2704Multi lane roundabouts are not dangerous! All you have to do is stay in your lane, the same way you would if no roundabout was there!
Traffic calming circles in neighborhood streets are not Modern Roundabouts
Because traffic circles (roundabouts) are safer.
Traffic circles are not the same as roundabouts.
00:45 "invented about 1970 or so" - no, they've been around much longer than that although their design wasn't standardised in the UK until 1966. Even in Australia I recall one at Toongabbie in western Sydney that existed by 1970.
The UK's first roundabout was 1909 or thereabouts, but there were older ones elswehere in both the US and Europe.
I live in small town Tracy and we are full of roundabouts. For the size of the town vs the amount of people it seems to make a difference.
I love roundabouts! Wish there was more. Much better than standard intersections.
The first intersection she compared with the collision data is not a roundabout. It is simply a 'traffic calming' device installed in the center of an existing intersection. In the same category as speed bumps and channeling devices.
That's exactly what roundabouts are.
@@_starfiend No. Roundabouts are designed as such (as in the video's thumbnail). In this case, the municipality simply put a round planter area in the middle of an intersection in an effort to calm traffic. It is still a two-way stop intersection - roundabouts do not have stop signs. The problem with roundabouts is the amount of right of way necessary. The solution they used likely helped with collisions by interrupting the flow of vehicles.
been in europe for decades and little stopping except idiots here cant figure out the 2 lane roundabouts where no stopping
Beat me to it. So many morons can't seem to get the concept. I go through 1 of the ones shown in this video often.
"except idiots here cant figure out the 2 lane roundabouts" well believe it or not, there are countries where you don't have 2 lane roundabouts; People are simply not used to it when they come across one, no need to call them idiots for that
Multi lanes roundabouts are tricky to navigate correctly. Their design isn’t even consistent across countries. In France you must merge to the outer lane before exiting (but weirdly, there are 2 lane exits…) while elsewhere you may exit from the inner lane directly to the left exit lane.
I’d prefer these over traffic lights. Turning across traffic is downright scary in major intersections, let alone sitting for long periods of time on red lights.
Seeing US citizens discovering roundabouts today and loving them more and more is like seeing postcommunist East Europeans discovering democracy and the new freedom :D
Roundabouts are a bit more expensive to install, but less expensive to operate than an intersection with an illuminated semaphore control.
While I appreciate the macro stats, and have no large scale data with which to counter, from my experience with a small neighborhood round-about installed near to where I live, some drivers do barrel through (over the small curb of the circle) and in rare cases other drivers cut the corner and GO LEFT (Clockwise) against the flow! To be fair, and to my amazement, no driver has hit the boulders in the center of the round-about and no car collisions have occurred. On the other hand, there have been many altercations including horn honks and "flippin' the birds" that disturb the otherwise peaceful surrounds. Clearly it is the drivers causing the problems, but these smaller round-abouts seem to bring out the worst in some drivers.
3;20 i can bet it was orginally Szajkowski as "Szaj" is prenounced exacly like "shy"
I don’t mind roundabouts especially the ones in my neighborhood that have recently been installed due to high speed drivers. It slows the driver down and also makes the driver visibly aware of their surroundings. Think about kids playing in a residential area and you have regular cross intersections people tend to fly right through them. Roundabouts they’re forced to slow down.
This is extremely sesual! good job!
Traffic calming circles though could be put in most intersections(well, certainly smaller scale ones).
at 2:50 at such grid area it seems stupid to put a roundabout, you'd be better off just making the road thinner and make an unmarked priority zone, or make some roads priority roads and rest yield not stop signs but why should this amaze me that the US always has to go in some extreme never settle for what's reasonable, let's now have only and only roundabouts I guess lol
This isn't a new concept in California. A very large one was created in 1932 in Long Beach. Known as the Los Alamitos Traffic Circle th-cam.com/video/d2KCIYPPr0Y/w-d-xo.html
The small slow single lan roundabout intersection shown at the beginning of this video is a sensible solution to replace all way stop controlled intersection. It's still bike able. There are no implicit pedestrian crossing at roundabouts as there are at stop sign controlled or traffic light controlled intersections. Pedestrian crossing have to be explicitly marked. It is highway design doctrine that a roundabout is detrimental to traffic flow of the primary road over a well implemented traffic light controlled intersection. Where a roundabout might process traffic better than a traffic light is when both roads are at about the same traffic volume and there is a lot of interchange traffic. That is atypical. It being implemented it should be done with a rotary which are safer and faster.
Multi-lane roundabouts are dangerous with increased speed more typical of a rotary with that traffic condition actually calling for rotary. Once a roundabout is above a designed operating speed of 15 mph it is no longer behaving like a roundabout. Such so called roundabouts are likely not included in roundabout statistics. Most new so called roundabout in the US have designed operating speeds above 15 mph and are not roundabouts and don't have the large diameter road circles of a rotary that enable proper merging behavior.
All way stop controlled intersection in neighborhoods are frequently mis used to do so called traffic calming which is where there are traffic lane disruption intentionally to slow traffic down. What takes place where traffic calming appears to have worked is not that traffic has been slowed down, but that traffic has been reduced by going somewhere else. For a neighborhood discouraging through traffic that has been a design objective as far back as the 1960s.
In the USA non highway designers don't look at the fine details and are likely choosing fast multi-lane roundabouts psychologically for traffic calming. They slow traffic on the primary road that would in a neighborhood cause passing through traffic to choose a different route. On arterial roads multi-lane roundabouts used instead of a traffic light controlled intersection reduce traffic through put, make drivers hyper focus which means they may not notice pedestrians or cyclists, don't allow traffic metering such as synchronized traffic lights and make drivers fight to get through them along with disorientation that takes place after more than couple roundabouts near each other.
Multi-lane roundabouts are not safer than traffic light controlled intersections. A major arterial road Mt. Comfort Road with 300 N. Mt Comfort Indiana had its traffic light controlled intersection replaced with a multi-lane roundabout where it shortly experienced its first fatal crash in living memory. www.google.com/maps/@39.8272393,-85.9148965,1636m/data=!3m1!1e3?hl=en&entry=ttu. That roundabout acts as a traffic calming device causing traffic to switch over to using 700 W. If it has been an improvement for through traffic which is the objective that would not have happened.
Mt. Comfort road has a full lane shoulder typically for cycling. I feel very exposed and not noticed when riding my bicycle through that roundabout! People are hyper focusing on just a few points unable to be attentive to traffic. It looks unsafe, it feels unsafe, its slower for through traffic, it deters through traffic and its caused death over the traffic light that was there before. If implementing a traffic circle for such a situation it should be a rotary that is much larger in diameter.
This is a main trucking area with a medium sized truck stop with the area being a huge warehouse area served by trucks. The roundabout provides a nice convenient turn around for Semi's.
I love average sized modern roundabouts. Mini roundabouts and large traffic circles can be eliminated. I don't consider that a roundabout on G & 25th.
forget roundabouts, the next best thing for freeway interchanges: diverging diamond interchange
You don't need to waste fuel either.
2:10 Talks about safety. Grabs inside of the steering wheel (which makes it very hard to immediately steer back if needed).
Roundabouts have been proven to be safer, that's not hypothetical. That's fact.
You can theorize as much as you want but statistics speaks differently.
@@GoldenTV3 Yes? I didn't say roundabouts aren't safe. I just want to mention that someone grabbing the inside of the steering wheel shouldn't be talking about road safety.
@@thastayapongsak4422 Statistics of grabbing the inside of the steering wheel is proven to be more dangerous.
2:50 that isn’t really a proper “roundabout” lol
Center circle is too small and it still asks people to stop rather than yield.
3:31 there is your roundabout
Roundabouts should be preached throughout USA and Canada
lots of stubborn drivers who are idiots at the same time
Leave it to California to make a roundabout 14 times more expensive than a traffic light intersection.
We just replaced a set of lights in our town in New Zealand and it cost about $200k including raising pedestrian crossings and I thought that was expensive!!!
Exactly. Roundabouts should only cost ~250k
It's graft. San Francisco spends $850 million a year on 7700 homeless people. Do the math, that's $109k per homeless person per year. YOU COULD RENT THEM ALL APARTMENTS FOR 1/4 OF THAT AND THEY WOULDN'T BE HOMELESS ANYMORE, WOULD THEY?
You can be sure a lot of the estates in the hills around San Francisco are owned by people who are "working on the homelessness problem."
@@aluisiousSounds like the peeps of San Francisco need you to be much more involved to help solve this issue.
How many $ for a life ?
Why do they bother to put the interior lane in on some of them (two lane roads). Who uses it?
The interior lanes are for turning left or going straight. The outside lanes are for turning right or going straight. Like at a regular intersection.
Roundabouts are great for driving. Less great for cyclists and pedestrians unless the intersection is also designed with them in mind which Caltrans doesn't do. Because Caltrans only cares about motor vehicle drivers and other Californians don't matter.
Угу
Cheap .
Roundabouts are fine. The turbo roundabout in Hollister requires instructions to use they post above the road 5 seconds before you get to it for the first time. That's stupid.
Try negotiating one towing a travel trailer. It isn't fun.
I thought roundabouts were created in the US and just adopted in England?
Roundabouts are overused. I live in a neighborhood where there is little traffic and in several intersections they are a nuisance. A stop sign on the intersecting side street would have been much better. But then if Europeans have it, so then must we have it.
the US has lots of 4-way-stops; You don't find them in Europe at all. There are no 4-way stops ...
@@EnjoyFirefightingwhat? Bro do you even live in europe?? 😂 there are a lot of 4 way intersections here.
@@miles5600 you're aware that I speak about 4 way stops, not 4 way intersections?
@@miles5600 there are alots of 4 way intersections, but no 4 way stops around here ...
@@EnjoyFirefighting yea that’s correct. The best intersection is a raised intersection.
Intersections over roundabouts.
Roundabouts are intersections
Roundabouts are a great way to control access to 15 minute cities
Think about what you can put in the middle to deter people from wanting to leave their prison
So 15 minute cities are a prison to you? Just search it up on youtube again and rethink it cause it sire ain’t no prison.
Roundabouts actually make you go faster without stopping so you're just wrong.
@@miles5600
How close are you to clothes, food, toilet, bed, labor, medical treatment, etc in prison?
@@thastayapongsak4422
What happens if the incoming streets are baracadded at the roundabout?
@@joedirt6073 just because someone is close doesn’t mean it’s a prison lol. Different between a real prison and the world is that you have free will. People have the will to access the resources they need within walking distance and biking distance.
Roundabouts work in Europe because they yield to the left… in the US we yield to the right which is why they cause 50 - 75 % more traffic and in turn that reduces traffic fatalities
What? Idk what europe you’re talking about but we all yield to the people who are already inside the roundabout. It’s a universal rule.
UK/Ireland is not alone Europe: on the main Land we all yield to the right. Roundabouts is not about yielding to the left, it's just about yielding. Only because you are forced to yield through a traffic sign people need to yield to the traffic on a roundabout. I know one roundabout where you don't need to yield and where traffic inside the roundabout need to yield. (it's just a city-road with 3 exits, one to a parking lot), so there's only a miniscule of people who need to actually use the roundabout as a crossing, but when you are driving in the other direction, you actually need to yield as the one in the roundabout. Even here there aren't any accidents because of it, but this is not about yielding to the left, if the others have no traffic sign that you need to yield on the roundabout (except the parking lot where you need to), then the traffic inside the roundabout need to yield. But 99% of roundabouts there's a yield-sign, so that's rarely an issue.
BRO IS ONTO NOTHING🗣❗❗❗
In a roundabout you yield to whoever is already inside, which in (continental) Europe means yielding to the left, but in Great Britain means yielding to the right. In both cases that is contrary to the general rule in unmarked intersections, where the British yield to the left and continentals to the right, like everyone else.
The roundabout is a blight on our roadways . THEY ARE AN ABOMINATION!!! Confused drivers get honked at and near accidents are common. As for pedestrians??? FEAR FOR YOUR LIFE… AND RUN
I agree, but the idea came from Europe and we can't let them get ahead of us.
maybe u just ▇▇ at driving on roundabouts
Not our fault the drivers can't understand the simplest of concepts🤷
There will be idiots and confused drivers regardless of the intersection. I'd rather be in a minor accident in a roundabout than risk a major accident at a traffic light. Even in the US however, a proper and well-implemented roundabout is statically proven to have less severe crashes with a lower chance of accidents as well.
Learn to drive better,that might help.