Over this past year, MaineDOT has reconstructed the US 1/Exit 15 interchange on I-295 in Yarmouth, ME into a full interchange. They've also proposed a diverging-diamond interchange at Desert Rd/Exit 20 in Freeport, as covered in another thread (https://www.aaroads.com/forum/index.php?topic=7960.0).
I've created a couple GIS maps that illustrate these:
(https://www.aaroads.com/forum/proxy.php?request=http%3A%2F%2Ffarm3.staticflickr.com%2F2819%2F11777199083_a7b5f41de6_c_d.jpg&hash=20a4fe3e970ac06a6f88dc62451401bdc51c97bd) (http://www.flickr.com/photos/ajfroggie/11777199083/in/set-72157639438789775)
(https://www.aaroads.com/forum/proxy.php?request=http%3A%2F%2Ffarm8.staticflickr.com%2F7439%2F11777369064_4fba701c7d_c_d.jpg&hash=650d1e414e31b9b0bc82c54500530ee12c5e5251) (http://www.flickr.com/photos/ajfroggie/11777369064/in/set-72157639438789775)