Yeah, I went on the onramp and merged into traffic.

塞萨尔：是的，我走上道并汇车流。

I signal my turn onto the street and drive toward the freeway onramp.

我示意转弯上街， 向高公路道。

The " onramp" (one word) is a little road that leads from the street to the freeway;it's how you get on a freeway.

“onramp” （一个词）是一条从街道通向高公路的小路； 这就是您进高公路的方式。

I usually take the freeway to the office, so I get on the onramp for the freeway and drive to where I have to get off.

我通常走高上班，因此，我从道上高，开到我得下高的地方。