Unless you have a 4-wheel drive high clearance vehicle or like to walk, most of the area of the Wasatch Mountains in Utah is definitely limited access. The areas that do have access by accessible roads are almost always crowded on any weekend with good weather. If the canyon you choose to visit in winter has one or more ski resorts you can also expect heavy traffic. But fortunately, there is the rest of the mountain area where you might not see anyone in an entire day of hiking. This is Silver Creek. If you are used to mountain dirt roads in Utah, you can drive to Silver Lake but you have to hike to follow the creek up the mountain. Of course, I have a 4-wheel drive high clearance vehicle.