 Complete the following phrase:  In 1991, a smaller renumbering of state highways occurred. The renumbering produced some new highways and either realigned or removed highways from the system. In 1996, Sound Transit was formed and in the same year, the Washington State Transportation Commission adopted its first 20-year transportation plan. Throughout the 1990s, WSDOT focused increasingly on rail systems and partnered with Amtrak to create a train route that went from Canada to Oregon, which later became the Amtrak Cascades. The 