YOU SAID:

I took the bus into town but it broke down on the motorway

INTO JAPANESE

バスに乗って町へ行ったが、高速道路で故障した

BACK INTO ENGLISH

I took the bus to town, but it broke down on the highway.

INTO JAPANESE

私はバスに乗って町まで行きましたが、高速道路で故障してしまいました。

BACK INTO ENGLISH

I took the bus to town, but it broke down on the highway.