to it, mostly cloudy day and it will be cooler cooler, some light rain and that will usher in come saler temperatures, here is sal. >>> steve, good morning to you, of course with the wet weather we will probably have more collisions out there and it usually happens and we are hoping not, that is usually the way it goes. let's look at the westbound as you come up to the toll plaza area and there are no problems onto the single deck onto the east bend and west bend and if you are driving on 880 traffic looks good and traffic is moving along very nicely. 580 westbound from the pass and through the whole area is off to a good start, it is 431, let's go back to the desk >>> as steve just mentioned, they are still warning commuters to be careful when heading off to school, due to highways, here is more in walnut creek, tara? >> reporter: we could see scattered showers downtown walnut crook and there are some wet spots here on the roadways, and the roads were slippery because of water mixing with debris and chp is reminding us to be careful. the rain was coming down and it was a welcomed sight

the federal government said we are not going to prosecute individual salers and users as long as youral conditions and that is keep pot away from children, keep pot away from criminal organizations, organized crime, maintain sort of the general discipline of law enforcement. that's what the federal government has decided to do, and like so much of this, we'll see how it unfolds. >> sanjay, you've done so much work studying the evolution of marijuana for medical purposes and other things. what's your biggest concern now as it is fully legal in colorado? >> well, look, one thing we try to be careful about with report sg making a distinction between not just kids, adolescents and adults but what i call the developing brain versus the developed brain. stick with me for a second on this. our brains keep developing until the mid 20s and if you look at the science, a lot of the more concerning impact is on the developing brain. we know that kids and again, people up to the mid 20s using this regularry will have more of an impact. teenager whose smoked marijuana regularly between the ages of