Torchageddon

For those sleeping in their car for 1 or some of the days of traveling, where would you park for the rest? When I was looking past and future eclipse maps I noticed different spreads of band width of totality which I guess is when the moon is further away or closer. However some tracks at the mid-latitudes are really wide (300 miles or more) and I have no idea why. When looking at the database of all annular and total eclipses there would be mostly annular ones that are half circle (close to the poles) but a few where total eclipses that had the half circle! What's the reason?