May Allah facilitate it for you.
One may break his fast only if he feel exhausted and cannot continue, and one cannot find any other alternative to cope with the fasting.
According to Ayatollah Sistani, you would have to start the day fasting then if you feel exhausted and cannot continue then you can break your fast, but you would have to make up this day later.
An alternative to consider is to stay over at the place of your work every other day. It may be an inconvenience by do consider it and see if it’s possible. That will reduce some of those long commutes.