need dc to philly route

help a rider out. ive seen this -

http://www.swarthmore.edu/NatSci/echeeve1/BikeRides/DC-Philadelphia.html

- but i cant stand that many turns, i need long stretches. ive drawn a map of my *extremely sweet*
(charlottesville va) <--> (northern va suburbs) route, tested and refined by my ~6 round trips,
which i will post as soon as i get to a scanner. about 110 miles, usually see under 200 cars all
day long if you dont count the 5 crappy miles at either end of the route.