Lets take highway 890 to get to portland
If referring to a particular "highway," it is "Highway 66." If you are describing going down a highway, it is a "highway."
I drove on a highway to get to my destination.
There are two nouns in the sentence: truck and highway.
It's time to hit the highway. The highway is jammed, right now. Let's take the expressway, instead of the highway.
We drove down the highway at top speed. She pulled carefully onto the highway after looking both ways.
Taxes are used to finance such public works as highway construction and sewage treatment plant construction.
compound noun
Example sentence - The grate in the road kept the cattle away from the highway.
He was recklessly driving the car on the Highway.
old
"The man rode his motorcycle down the highway."
they barely averted the truck which was on their side of the highway!