When traffic engineering solutions to traffic problems get this complicated, you might as well build a roundabout with an overpass and an underpass. It would be safer for cyclists and pedestrians also, rather than having to navigate the featured scheme.

And how can it be a continuous flow intersection, when drivers have to stop at the intersection?

Getting drivers to stop at other lights away from the Intersection, great idea not.

Why not just to make overpass at this intersection? Adding more stop lights is not going to make it more continuous. And then you have parallel lanes with opposite direction traffic. What happens if someone turning left will end up going on the opposite direction lane? Who has thought about this? And where are the data that confirms that it is safer and faster that regular intersection, or cheaper than the overpass?

Chevron? Last time I drove by there (yesterday) there was a Walmart.

so the people turning left have to wait at 2 intersections? how does that help?

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где можно посмотреть данные большей эфективности данного метода перекрёстка перед например кольцевым движением или простым перекрёстком?

Looking at these intersections are always confusing and seem dumb. But when you look at the time saved for each passing car, fuel saved and accidents down 60 percent from left turn crashes. (This is typical for most of these intersections) It really makes sense.. there is a saying that goes "don't judge a book by its cover" or "don't knock it till you try" or "that's witch craft, burn it at the stake" lol. lots of new things where thought to be dumb until people tried them and saw it worked well. This is one of them..

Texas is the new California and that is sad. Go cowboys!

This has got to be one of the weirdest, dumbest designs ever. There are a lot of strange roadway designs here in Texas, but this takes it. Rather than put in an overpass, yes more expensive, they came up with this! Lawyers are going to make a fortune on all the lawsuits that result from cars not knowing where to go.

This is a continuous flow intersections because at no point does 1431 stop for the opposing traffic's left turn. If you pay close attentions 1431 has it's left and straight lane going at the same time. That traffic crosses while the main lanes are already stopped for Parmer's cross traffic. This is a good strategy that leverages lights and behavior rather than space and overpasses for high traffic throughput.

Commenting here is all well and good but will not affect change. Speak up! E-mail the City Council at [email protected], or speak at a City Council meeting. They are on the second and fourth Thursdays of each month, at 6:30pm at City Hall, building four, 450 Cypress Creek Road. I am a cyclist living in Cedar Park. In January the City of Cedar Park and TxDOT had a public hearing about this intersection. I voiced my concerns about how this new intersection design is brutal to cyclists. Indeed, one of the project engineers is himself a triathlete and said, "yeah, I would never want to ride through this intersection". Personally, I want to see at least one City Council member attempt to turn left from 1431 to Parmer/Ronald Reagan on a bicycle - today - and see what they think. If they refuse - I'd like to know why. If the intersection is too scary for an average cyclist today, how is this design making things any better? The scary part is how bicycle traffic going straight through on 1431 will encounter head-on traffic on the far side of the intersection. No, this is not a continuous flow intersection. As another design engineer confirmed, if a cyclist turning left does take the lane (the correct, legal solution), it will cause an underflow, largely negating the benefit of the split left turn lane. A true continuous flow intersection is grade separated. Call it what it is: an offset left turn lane.

What "aggie" from California came up with this? It is not CONTINUOUS FLOW. It is a pure waste of time and money. BTW what politician is getting money for this? The quick and easy solution is add/extend the right turn lanes at this intersection and add/extend right turn lanes on every intersection of 1431 between US 183 and I35. When the new Walmart opens here how will this affect the traffic at that light?

Perfectly legal for a bike to take the full lane if their is no bike lane. Wouldn't be for very long and it doesn't look too different for cyclists then what it is now.

How are bikes supposed to navigate this? Parmer is a huge cycling route and forcing bikes into the traffic lanes would be bad for cyclists and drivers.