Proof of Concept: Three Lanes Through

Definition – What does Proof of Concept (POC) mean?

A proof of concept (POC) is a demonstration, the purpose of which is to verify that certain concepts or theories have the potential for real-world application. POC is therefore a prototype that is designed to determine feasibility, but does not represent deliverables.

Proof of concept is also known as proof of principle.

https://www.techopedia.com/definition/4066/proof-of-concept-poc

Residents of Johns Creek have been told that to cure their traffic ailments, that they must widen State Route 141 to three lanes in each direction.

Others, such as my neighbors and myself, have challenged that this is the only cure for the traffic we have.

We are more than frustrated with our traffic.  We have been for years and years. We are told that we want to simply do nothing.  That is another myth by City Officials.  We want to do something.  We want the right solution, and not just any solution.

Putting the mettle to the test, we have asked to slow down the laying of asphalt and let us see what we can do to improve the bottlenecks we have in Johns Creek.  If traffic can get through the bottleneck, we feel there is adequate asphalt to handle the volume of vehicles until that traffic reaches the next bottleneck(which we can also address).

We are led to believe that just improving the intersections cannot address our issues.   If what we have proposed for the intersections does not work, then neither will their solution of paving three lanes in each direction.  The crucial component is that we get the intersections to function more efficiently.  The roadway between the intersections  when an intersection does not function properly is just space to queue vehicles.

And then we will be right back where we started, with six lanes instead of four.

I encourage our residents, therefore to ask the City Council to show us the Proof of Concept.  Give us the three lanes southbound at 141 and State Bridge Road through the intersection only.  Also, at the same time give us the three lanes westbound on State Bridge Road and have it terminate at the main entrance to Johns Creek High School.

My belief is that will show that three lanes through at the intersections will give us a major improvement in traffic movement, and at the same time demonstrate that we do not need to pave the entire corridor in both directions with three lanes. Our backups will be much shorter in both distance and duration.

And we haven’t even gotten started on the actual functions of the traffic lights themselves.

Imagine that.

I can.

 

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A GDOT Traffic Tutorial

You’ve heard lots of information on traffic in Johns Creek.  Many of the conclusions I feel are based on erroneous assumptions and intuitions. The GDOT (Georgia Department of Transportation) surveys data at locations throughout our state and you have access to that data for yourself to confirm or deny your very own assumptions about the traffic you personally experience. Continue reading

Traffic Choking Points

One of the biggest issues we face is how to get more vehicles through an intersection at a minimal cost.

One thing we can do at many of our intersections is to eliminate Traffic Choking Points and utilize the right turn lanes as both a right turn and through lane, increasing the through volume of traffic 40%-50% immediately.

This one improvement could eliminate much of the delay on many of our busiest roads without the need to widen the corridor. Continue reading

Minor Improvements Can Yield Major Benefits

A truck with a high load underestimated the height of his load by 2 inches and found himself wedged into the entrance of a tunnel.  Unable to back out, experts were called to come and see what could be done to get the truck removed.

All of the engineers crowded around scratching their heads and making drastic suggestions.

Finally a little boy walked up, looked at the engineers and suggested “Why don’t you just let the air out of the tires. Continue reading

Getting 141 Moving: Another Intersection That Needs To Be FATTER

Where is one of the biggest opportunities to get traffic on 141 moving in the morning?  Anyone that drives south out of Johns Creek would agree that it is East Jones Bridge and 141.  Below is a depiction of the standard backup I have seen between the hours of 7:00 am and 9:00 am.

The orange represents the backup southbound.  The red on the east and western sides of the intersection represents the vehicles on those sides you see when you finally get to pass through the intersection.  So what is wrong with that picture?

It’s important to note that nearly every vehicle east and west bound makes it through the light with just one cycle of the lights at the intersection.

Here is an aerial view of the intersection:

 

As you can see, only one lane in each direction east and west travel straight.  With no additional asphalt the east bound side could be configured to carry two lanes straight through the intersection.  But they need to add an additional through lane westbound.

(What is a FATTER Intersection? http://ejmoosa.com/blog3/2017/02/15/what-should-we-do-to-improve-johns-creek-traffic-flow-on-141/)

Doing this would make this intersection MUCH more efficient at a minimal cost. That would have the ability to keep this light green longer and move this traffic through the corridor.

Just two lights down at 141 and Peachtree Corners Circle, the light is green for 4 minutes.  There is no backup heading south at this light whatsoever.

Also, with such short queues on the east and west bound sides of the intersection should indicate that they could keep the light green longer anyway.  They have, for some reason, chosen not to.

Finally, they could do what we have done in other areas such as the stretch between Old Alabama and State Bridge on 141 and make the area three lanes through all the way to Spalding Drive, and this would require no additional asphalt.

Summary:

  1. Fatter intersection east and west bound reduces red light time on 141
  2. Three lanes southbound using existing asphalt increases southbound capacity up to 50%.
  3.  Longer green light times than 141 south currently has increases the volume of vehicles per light cycle.

We could get this traffic moving drastically without destroying the entire corridor and at a minimal cost.

Unfortunately, we wait while the City of Johns Creek works to convince everyone the only solution is three lanes in all directions.

Click here to see more issues and suggestions on traffic:  www.ejmoosa.com

 

What Should We Do To Improve Johns Creek Traffic Flow on 141?

Residents of Johns Creek who travel the 141 corridor have understood just how slow that ride can be.  Some people, who have read what I have written on the cost of traffic delays have asked me what can be done, other than widening 141 to six lanes?

I have, on those occasions, suggested that it’s the side roads along the 141 corridor that need a bit of widening at the interchange  rather than our entire corridor.

Here’s why:

Let’s take the intersection at the corner of Parson’s Road and 141 as our example. As configured today,  has the typical one left turn lane, one right turn lane and one through lane as many of the intersections along the corridor have.

 

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Johns Creek Traffic Volumes: Not As Advertised

The City of Johns Creek has created a myth about our traffic volumes.  Either that or the GDOT Web Server, which stores thousands of data points for traffic across the state and which is used for traffic planning is entirely worthless and wrong.

The City of Johns Creek tells us we have an ever growing body of traffic from Forsyth County.  I have challenged that idea over the last two years only to be summarily dismissed by City Officials.

Once again here is the most updated data from GDOT which clearly shows no major increases on 141 over the last decade EXCEPT for two locations.


 

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Johns Creek: It’s In Your Best Interest to Stop TSPLOST

The vote Johns Creek residents will take on the TSPLOST 0.75% tax is critical to understand.

Voters are being presented with the opportunity to raise the taxes on themselves, which will effectively increase the spending and size of the Johns Creek City government by 29.7%.  That is not insignificant. Continue reading

(*) Local Option Sales Taxes- How We Are Ripping Ourselves Off

Chances are, you have cast votes on more than one occasion to tax yourself via sales tax for education. traffic or other local projects.  Chances are, you, like many others, felt it was just a penny here and there, and chances are you bought into the notion that others from outside your jurisdiction would also be paying the tax, which is a win-win for all but those outside of your community.

tax dollars

And chances are, you’d be wrong. Continue reading