How create symbology on stream layer

SebastienPelletier

I want to create a map showing traffic lights and display the status of lights (green, yellow, red). To do this,  I would use the stream layer.

1 - I want to know how to apply a layer symbology on a Stream layer

2- How can we keep only the last observation (I do not want the points are added on top of each other)

Thanx

JoshPritt

There should be no need to have the same service more than once.  Just create separate UniqueValueInfos for each car type so they each get a different color symbol.  So the one stream service would then have different symbols for each feature based on the value in one, two, or even three fields.