Nice to see this out. I'm going to have to ask what the $103m for "Phase I-Lynchburg Service" is for (i.e. if that's an old expenditure that never got revised out or if it's a future expenditure related to the service that started a few years ago). The "Extension to Roanoke" bit is oddly expensive compared to either the Bristol or Richmond connections; I'm guessing there's some mess of a connecting track involved. Ditto the second train to Roanoke...they're paying $237m for two trains running about 60-70 miles there, while paying less than $25m to extend east to Richmond and less than $48m for the (somewhat longer) extension of one to Bristol. It's particularly curious as it costs more to get the trains LYH-ROA than it does to get them WAS-LYH.
(Of course, it'll also be curious to see what timetable comes out of the Bristol-Roanoke-Lynchburg service...going off a timetable from 1956, you'd have to leave Bristol before 3 AM to get to Lynchburg by 7 AM, or accept a DC arrival in the afternoon to get the time late enough to leave Bristol at a sane hour. And I'll bet money that the DRPT isn't going to move the Lynchburger around that much to accommodate that service.)
It is rather early to figure out a Bristol extension schedule.
Bristol extension is Phase 3 in the VDRPT viewgraphs and only Phase 1 is covered by the current 6 year plan. The website says the VA State Rail Plan was due in March, but it is now late. Besides the usual schedule slips, I think it makes sense to hold off on a new state rail plan until they have worked out a new 6 year budget planning outline incorporating the additional ~$50 million a year in capital funding for passenger rail projects. The 2013 VA state rail plan should make for a good topic discussion when it gets released.
There should be a total of around $100 to $120 million a year to spend on improvement projects, not including $27 million shown for the Rail Enhancement Fund for freight rail and $7 million for Short Line program,both of which can also benefit passenger rail (like the Buckingham Branch RR). That is a respectable level of annual funding. My guess is that any extension to Bristol stays in the long range plans while other projects get priority: the extension to Roanoke, 3 daily trains to Norfolk, adding a 2nd train to Lynchburg & Roanoke, upgrades between WAS to Staples Mill, restoring through service for Main Street station south to Petersburg, upgrades for better trip times from RVR/RVM to NPN and NFK. Bristol service extension stays on the to-do list to keep the politicians in SW VA happy, but difficult to justify until there are 2 trains to Roanoke and 3 to Norfolk with improved trip times.
For information on what upgrades were recommended before for service extension to Roanoke and Bristol (and Lynchburg to Richmond?), turns out the 2002 Bristol, Roanoke, and Richmond Passenger Train Study is available on the DRPT website
here (38 MB scanned PDF)*. It is a 214 page document with a LOT of information including track diagrams, proposed Amtrak schedules for WAS to Bristol, recommended track upgrades.
The trip times in the 2002 schedule has ~75 minutes Lynchburg to Roanoke and ~4 hours Roanoke to Bristol. We are talking roughly 13+ hours Bristol to NYP. If they extend a train to Bristol, it would likely be the second train to Roanoke, not the current Lynchburger. the northbound train could depart Bristol at 7 AM, get to LYH mid-day, NYP around 8 PM.
* Google rocks.