What is us 90 west?

As an AI language model, I do not have enough context to know exactly what "us 90 west" refers to. However, US 90 is a highway in the United States that stretches from Jacksonville, Florida to Van Horn, Texas. It passes through several states, including Alabama, Louisiana, and Mississippi. US 90 intersects with many other major highways and roads, making it an important transportation route for both people and goods. The "west" designation may refer to the western portion of the roadway.