This was part of a national freeway system to connect all states. I-5 made it possible to travel at a constant 55 mph with no stop lights or cross streets along the way. Another freeway branch was added in 1965 through1970 with the construction of I-405. Finally, a new Valley Freeway , Highway167, was built to help ease traffic within the valley. Private automobiles, trucks and buses all use the public roadways today.
Many families own two cars which are used daily.
Commerical truckers carry loads of goods to locations throughout the Northwest. Trucks now carry many of the items which were previously shipped by rail. Huge eighteen wheelers, sometimes with trailers, are a common sight on the freeways. King County has a bus system, Metro, which covers passenger travel within the county. Most main streets have Metro bus stops.