I keep a diary: with following info day : arriving : departure : time of lunch // travel time. Why ? I noticed after 43h in a moving window of 5 days my focus, irritability is up to the roof and I make way too much mistakes that can lead to a dramatic mistake. My work contract is 37.5 so everytime I reach too much overhead I talk to my manager ask him if he will need me one day to make extra efforts in case of emerge…
My thought would be that if you can manage a way to increase that 43h by just 10% or 20% then over time and transport delays will not be as worrying.
Can you incorporate stretching exercises or walking into your work environment? Try and keep a diary of the positive things that can help you cope with work.