Besides the stuff in the kit. It will pay to study the surrounding of your work to home area. recognize any useful facilities ... like a motel, a restaurant you may take shelter in a downpour, or service station with a tow truck. Take phone numbers and approximate distances whenever possible.
If a female colleague lives nearer to the office, try to to know her better and have her as a friend. You never know when you have to spend a night at her house.
One of my relatives lives a few miles/kilometers from where I work, and I did have to walk to his house a few years back when I left work late and my car refused to move. And that was before cell phones.