Read the following context and answer the question.
Context: We took some time out the other day and took a bus ride for a mooch around a nearby town . The route is fairly convoluted and takes us through the countryside and various villages . The journey itself was somewhat stressful as the driver seemed permanently wound up , repeatedly annoyed at meeting oncoming traffic as he travelled at excessive speed along what is mostly narrow single track country lanes .
Question: Why might the driver have been annoyed ?
Answer:


He might have had a schedule to adhere to