The light Rail in Norfolk, Virginia is approximately 7.4 miles.

The cost of transportation in Virginia, or anywhere else, depends on whether it is transportation for goods or for people and the distance and method of transportation such as air, car, bus, truck, rail, etc.

When Virginia joined the Confederacy, it was a huge gain for the Southern cause. Virginia had a sizable population and had a semblance of industry and farmlands. It also had a coastline, that potentially was a plus. It's border on the Potomac River, was close to Washington DC. Virginia also had rail links to other parts of the South.

Yes, in fact there are many different rail lines.

Amtrak trains pass through Washington DC and Virginia.

The Washington DC Metro system has many stations in both Virginia and Washington DC.

CSX and other cargo trains pass through DC and Virginia.

The Virginia rail is a bird species in Nova Scotia, Canada. The upland sandpiper is a bird species in Canada.