I'm using CoMaps. I can try to get an image of the signs next time I'm headed that way (I travel often for work).

From a driver's perspective: you're driving on the I84 West. This is a 2 way split, where the 2 left lanes go to I205 South, with an option to go to I205 North. The 2 right lanes keep you on I84 West. This does indeed eventually get you to I5 but about 6-8 miles later.

If this isn't actually an issue, feel free to ignore, I've just taken a wrong turn too many times and wanted to see if something could be done to make it clearer that you continue down 84 west.