So I'm working with some TIGER data for network analysis, and it comes with no speed or time attributes, so I was able to assign average speeds to the various road types, and I was going to use field calculator to populate the time field using the Speed and Shape_Length fields, but all of the lengths are very small, 0.00xxx. Is there something I need to do to convert them, or are they just measured in some strange unit of distance that I am not aware of?
This is what I have: