OSRM North America route server on EC2
OSRM route server is an extremely useful tool for getting the driving distance/time through multiple locations. The route server requires data that has to be downloaded and processsed before it can be used to serve routes from.
Processing OSRM data for large region like North America can be a real challenge due to memory and disk size requirements. It's also really time consuming. If you cut and try from scratch, you will repeatedly run into some constraints and fail after hours of running.
The following are summary notes from trying this with eventual success.