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Author Topic: FLEX Turn Lanes (FTL) and TuLEPs - Development and Support  (Read 243112 times)

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Offline Fredrik001

Re: FLEX Turn Lanes (FTL) and TuLEPs - Development and Support
« Reply #1080 on: January 10, 2017, 02:58:49 PM »
Thanks, Ryan B., j-dub, and MushyMushy for the kind words and feedback (and to all who hit "Like" on that last one).

The left lane connection on the wear lines was bugging me a bit, too, so I've fixed it, and made a few other little changes.



To add to Ryan's explanation for the island, it is basically an implementation of an engineering technique known as channelization.  In other words, the inclusion of that island helps enforce the directionality of traffic.  As emphasized by the replacement of the crosswalk markings with stop lines, it's actually intended to be a partial seagull intersection.  As the through lanes on the outer part of the intersection have no real interaction with the cross street (being an OWR heading out of the intersection, there's actually no need for them to stop.

These partial seagull designs are actually in use a fair bit in Eugene, Oregon--Franklin Boulevard (Oregon Highway 99) on the north side of the University of Oregon campus is littered with them.  The one at the intersection of Franklin and East 11th Avenue was actually the main inspiration for this design.  You'll actually be seeing quite a few Eugene designs showing up in this thread here soon, particularly with regards to FTL and SITAP setups.

It's also worth noting that this particular design also has an eye toward continuous-flow intersections (CFIs), which are something that's been part of the long-term gameplan for the whole NWM/FTL/TuLEP ecosystem since very early in planning.

-Alex

This is an amazing addition that will definately start showing up in my downtowns. I'm a little bit concerned about the turn radius though, especially of the left turn lane. Would it be super labor intensive to move the stop line and end of the center line back a few feet to the lower edge of the square, thereby allowing for a much larger radius?

Sim City 4 Devotion Forums

Re: FLEX Turn Lanes (FTL) and TuLEPs - Development and Support
« Reply #1080 on: January 10, 2017, 02:58:49 PM »

Re: FLEX Turn Lanes (FTL) and TuLEPs - Development and Support

Offline _Michael

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Re: FLEX Turn Lanes (FTL) and TuLEPs - Development and Support
« Reply #1081 on: January 10, 2017, 03:24:02 PM »
Some really exciting work with all of these possibilities!

Sim City 4 Devotion Forums

Re: FLEX Turn Lanes (FTL) and TuLEPs - Development and Support
« Reply #1081 on: January 10, 2017, 03:24:02 PM »

 


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