Only dividing the highway will help, he said, noting that doing so accounts for most of the projected $1 billion needed to fix the highway.He said other projects, such as a $464 million plan to add lanes to I-405 between Bellevue and Lynnwood, help move commuters but do not do as much for safety as would the same amount spent on U.S. 2.it is a roadway that was last improved when John Kennedy was in