Cbs 2 news joe huisinga is live in cedar rapids where the road will make connections. Joe . Reporter yet, scott. Once this road opens it will mean a shorter commute for a lot of drivers. We looked at some of the challenges in building it and some of the methods used to give you a smoother ride. Four miles of pavement that will extend highway 100 to covington road has been a lot of work. 115,000 tons constructed in one season. Reporr terrain near the cedar river. From bedrock down to sand and gravel. Silt and very bad material you have to work with. So we have to do a lot of changes. Reporter the road is paved with asphalt. Rather than concrete. It is saving a lot of money. This project was estimated at 20 million. The asphalt bid came in at 15 million. Reporter also trying to make the project as sustainable reporter crews are using gps mapping to track paths to ensure even compaction and a smoother ride. A smoother surface means less noise for nearby homes. Also using a method called p