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Cities: Skylines >  Workshop > Krzychu1245's Workshop > TM:PE 11.9.1.0 STABLE (Traffic Manager: President Edition) > Discussions
TM:PE 11.9.1.0 STABLE (Traffic Manager: President Edition)
Description Discussions286 Comments6005 Change Notes
Timmiej93 Feb 18, 2022 @ 3:37am
Turn only traffic lights
This probably has been asked before, but I don't really know the terms to search for it, so I'll just ask here.

I have a scenario where there's a main road with a small road connecting to it. The small road has little traffic, but the main road can be so busy that (IRL) the small road traffic wouldn't be able to join the main road without traffic lights.
To solve this, traffic engineers placed traffic lights that are basically always green for the main road, and only turn red when a car wants to join from the small street, or wants to go onto the small street from the off-side. Basically, it's a pedestrian crossing light. Always green, only turns red on demand.

Is something like this possible with TMPE?
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Showing 1-7 of 7 comments
Krzychu1245  [developer] Feb 18, 2022 @ 11:09am 
Yes, you need to tweak min and max time + select correct condition using toggle button below (1 of 4 options)
#1
Timmiej93 Feb 18, 2022 @ 12:15pm 
So basically it's just a matter of playing with the trigger levels until something lines up?
Do you think there's a possibility that (in a far future) we might get something like "priority" triggers? Something like where you select road segments and can set something like "If wait > 0 go to state X"?
I don't know if that's even possible, or if it's something you guys would like to add.
#2
Krzychu1245  [developer] Feb 18, 2022 @ 12:27pm 
You can reorder states to get similar effect. I have a lot of things on my todo list. Hard to say when we start working on traffic lights improvements, but your suggestion does not look like super hard think to implement.
#3
Timmiej93 Feb 19, 2022 @ 5:42am 
Cool, thanks for your feedback.

How would the reordering of states work? Would that require a minimum time of 0 on all states that are not the priority state? As I understand it, the ordering of states doesn't really matter, since it's a cyclic system, or does it?
#4
markshu Mar 4, 2022 @ 6:30pm 
A lot of US services lights are on demand like this, especially on state and local highways that are not limited access roads. If the timed light had an option to "skip this cycle unless condition X is met", then that would effective create the proper behavior. The problem with setting the minimum time to 0 on the secondary road is that the primary road still cycles when its maximum time has expired, since there is no "infinite" setting.
#5
bram.warrick Nov 26, 2022 @ 6:40pm 
Skipping the cycle (and no lights changing unless the next, valid cycle causes it) is one of the key features I'd love to have.

I'd also like my vehicles to only go through an intersection if they can clear it (reasonably) instead of edging in when the light is yellow and jamming the intersection. I understand this happens in real life, but not this frequently.
#6
Tomahawk Feb 19, 2023 @ 10:53am 
Originally posted by markshu:
A lot of US services lights are on demand like this, especially on state and local highways that are not limited access roads. If the timed light had an option to "skip this cycle unless condition X is met", then that would effective create the proper behavior.

In the Netherlands it is actually rare to find a traffic light without this feature. I ride a motorcycle which sometimes doesn't get detected properly and I have to run a red light if no-one shows up going the same direction as me. Exactly your suggestion is what is missing now for me to create crossings resembling my country.
#7
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