I was on Rt. 384 and noticed there is some construction on the east end of this headed toward Bolton.
I don't know when it will be finished, but think it will add about a mile. It is still a ride along the highway for the most part but can be interesting in places and will be nice to see it connect with the Hop River Trail.
A note is that while there is parking at charter oaks park for most of the time the restrooms here are locked.

Much of this trail is along I-384 and I-84 and the roar of traffic can become pretty unbearable. Parts of the trail behind the noise barriers and under the bridges feel a bit too isolated from a security standpoint. Several miles of this trail were being freshly repaved in August 2010. The best part of this was off the trail when I did a loop through Wickham Park in Manchester. The stretch through Manchester Community College is confusing as there are no signs indicating where you are going.

I am a fairly new bike enthusiast and have been enjoying flat trails that reach up to 20 miles in length round-trip. I was excited to read about the Charter Oak Greenway because of it's paved surfaces and distance of 9.8 miles. Arriving at the Charter Oak Field lot, I found the bike trail to be poorly marked. Twice I rode off the trail and onto nearby streets thinking they were a part of the route. Also, the public toilet facilities were all locked and I ended up going to the Manchester Library before starting the trail, as I had driven over an hour to get to the trail.
For those who are new bike enthusiasts, be warned, there are a few decent hills to ascend. Some of the areas are scenic, especially going through a pine forest near Manchester Community College, but overall, it seems to run alongside I-384 and the traffic sounds and smells can be overwhelming, especially if you are climbing one of those gradual but long ascents. The smell of oil-burning vehicles and diesel is not attractive to one who is breathing deeply trying to climb a hill.
Another positive aspect was that there was a functional water fountain along the trail near the college and the trail runs near Wickham Park, which is beautiful and absolutely worth visiting. It was a nice mid-way stop where one can enjoy the sights and sounds of nature, including an outdoor aviary, before returning to the greenway that runs along a major highway.
All in all, I enjoyed the adventure of a new trail with some moderately difficult hills, but I don't plan to visit again because of the proximity to the highway. If I lived in the area, though, this trail could be very beneficial as a means of commuting to work or college.