Friday, 1 April 2016

Let's play the 50 bollards game again

You probably remember last time I talked about the 50 bollards game, if you don't, then click here:

The basic concept is that each time you play the game, you have up to 50 bollards that you can use to redirect and channel traffic, remove shortcuts, or prevent traffic from using bicycle paths, or really do what you want with them to try and improve the livability of the neighbourhood. Note that you are allowed to use electronic bollards.

Let's play this game twice more, having up to 50 bollards each for the University of Alberta and Twin Books.

Starting with Twin Brooks (it gets the name from the pair of creeks running, thus, twin, brooks), let's look at the neighbourhood from a map:

There is a collector road that kinda looks like it was intended to go and connect up in Blue Quill with 119 St across the ravine and thus that is why there is so much space there, and this is on the west side of the neighbourhood. There is a little bit of the neighbourhood on the east side of 111 St, so I also include it in the traffic calming plan. There is a pipeline or some other utility corridor on the south side, so that would be a good location for an unraveled cycle path and sidewalk. 

I propose that the bollards we have are placed here: 

I used just 9 locations for bollards. This is very efficient. At bollard number 1, a way to get around 119 St is removed and cycle and walking routes become shorter than car routes. 

At bollard number 2, I divide the residential area into cells, that motor vehicles have only access to either side but not through, and it makes cycle and walking journeys shorter. 

At bollard number three, I remove a way to get from 119 St to the rest of the neighbourhood, making traffic go around, and also removes a way to shortcut between Anthony Henday and 111 St. It also just makes cycle and walking journeys shorter. 

At bollard number 4, I make cycle and far journeys shorter, but this also has another function. If a cycle path was to be built on the utility corridor, then it would cross the collector road here. It removes a place where car traffic could conflict. 

Bollard number 5 is just something to prevent traffic from shortcutting on neighbourhood streets, and as always, it makes cycle and walking routes shorter. 

Bollard number 6 removed another place where a roadway can conflict with a cycle path, and it also makes traffic go around if they want to get from north to south in the neighbourhood. It also removes a way to bypass 111 St. 

Number 7 is just a bollard to get rid of a potential shortcut. 

Bollard number 8 gets rid of any through route by motor vehicle in the east side of the neighbourhood. 

And bollard number 9 removes any last vestige of a route to get from the east side of the neighbourhood to the west side directly in a motor vehicle. 

All of the roads in the east side of the neighbourhood would become access roads, and all but 119 st become 30 km/h roads as well on the west side of the bollards dividing it in two parts. 119 St gets modernized with some roundabouts, an updated cycle path and gets a flyover or interchange with Anthony Henday Drive. On the former collector roads, they just get advisory cycle lanes that cover about half of the roadway. Bus routes are relocated to the main arterial roads. 

In the UofA, we have a more complex situation. It will be looked at in a future update. 

Stay tuned for the next update. 

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