Introduction: 4 Way Traffic

Picture of 4 Way Traffic
This circuit produces traffic lights for a "4-way" intersection. The seemingly complex
wiring to illuminate the lights is shown to be very simple.


AnilK222 (author)2017-06-22

I assembled the circuit. But, the LED lighting sequence is wrong in your circuit. I swapped Yellow and Green led connections. Now it is 100% ok.
IC CD4017 output pins must be connected as follows:-
3,2,4, N/S Green N/S Yellow
E/W Red

1,5,6, E/W Green E/W Yellow
N/S Red
(I am from India, it is our Traffic signal standard.)

iamjhayn (author)2015-12-06

is anyone has a program of 4 way traffic light using arduino

raheelhassan (author)2014-05-16

which ic you used???? cd4017b or hef4017b???

marbemel3 (author)2014-02-21

do you have more detailed circuit or parts list ?

Basem Salep (author)2012-10-01

sorry for the quality of the video :(

sparda2105 (author)Basem Salep2013-11-03

u have done your circuit completely but now can you show me your picture of 4-way traffic light 8-lane. what i mean is that how u construct your project example like how my you build the road, traffic light pole, etc.. plz do reply my msg at my email : .. TQ :)

brennatal (author)2013-10-01

is the diagram correct?

Basem Salep (author)brennatal2013-10-01

yes it is. do you face a problem ?

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