You might want to see if you can find a way for the Guest Book page to automatically reload itself after you submit comments and return to it. Congratualtions on such an original idea. I want a ticket on the first one that leaves the station. I have a few questions- 1. I do not hold out much hope for this scheme, but wish you luck in getting a prototype built.
Private ownership is a possibility, but has many disadvantages.
A capsule about 4 or 5 foot in diameter and 16 to 20 foot long could accommodate a very high percentage of transportable, like a sheet of plywood, or a couch. The airlock for such a capsule will take much less room than a garage. At 280mph a 1.2 meter tube has the capacity of 8.6 lanes of interstate highway traffic. Probably only a fourth of the amount of miles will be needed, and still offer greater capacity. Terrorists do blow bridges, damage rail, and shoot planes, the death rate is insignificant compared with common accidents.