The study argues that without a comprehensive plan to mitigate traffic, Oregon businesses could fall behind in the future.
Relatively low housing costs combined with being in a desirable region put Oregon atop the United Van Lines' 38th annual study.
Union leaders urged the senior senator to eschew "fast track" control for the Trans-Pacific Partnership.
Negotiations have lasted about seven months.
The ridesharing company is honoring the deal it made with Portland after operating illegally in the city.