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2 / 4 Way Traffic Light Control Circuit

Our traffic light control circuit allows you to bring more realism to your model railway layout or model town. The circuit allows you to control 2 or 4 way traffic, (Allowing for two traffic lights North and South or four traffic lights, North South East and West).

There are two options for purchasing this circuit. These are Circuit only and circuit including traffic lights x 2. You may also purchase additional traffic lights separately.

Our traffic lights are designed for N Gauge use with a height off approx 34.5mm.

The circuit is powered via a DC supply 9v -25v. We also sell power supply circuits which give a single DC output and a multi DC voltage output.

Product NumberData SheetProduct NamePriceAdd to Basket
102-001 2 / 4 way traffic light circuit£12.49
102-008 Traffic lights N gauge x 2£5.25
102-009 2 / 4 way traffic light circuit inc N Gauge traffic lights x 2£17.49
102-011 Traffic lights OO / HO gauge x 2£6.10
102-012 2/4 way traffic light circuit inc OO/HO Gauge traffic lights x 2£18.08
traffic light circuit wiring instructions

The circuit once wired in this manor will give an output as below.

please take care when wiring the led's to the circuit and please make sure you have disconnected the power.

Terminal output 1 is the negative supply of the led's for the following lights.
Green East and West, Red North and South and Yellow East and West.

Terminal output 2 is the negative supply of the led's for the following lights.
Green North and South, Red East and West and Yellow North and South.

Terminal output 3 is the positive supply for Green led's East and West.

Terminal output 4 is the positive supply for Red led's North and South.

Terminal output 5 is the positive supply for Yellow led's East and West.

Terminal output 6 is the positive supply for Green led's North and South.

Terminal output 7 is the positive supply for Red led's East and West.

Terminal output 8 is the positive supply for Yellow led's North and South.

A wire loop is required between terminals 5 and 8

The above wires the traffic light control circuit for 4 way traffic, If only two way traffic is required simply remove the led's for East and West, this will now allow traffic lights for road works etc.

N Gauge Traffic Lights Our N Gauge traffic lights are wired with a common cathode (- Negative) specifically to work with our circuits. The traffic lights come pre-wired with four wires. Their wiring instructions are below.
N Gauge Traffic Lights Our OO/HO Gauge traffic lights are wired with a common cathode (- Negative) specifically to work with our circuits. The traffic lights come pre-wired with four wires. Their wiring instructions are below.