I'll try my hand at this. NBers can do drugs too.
Includes:
-Legitimate features
Route 8 Super 2
Route 11 Super 2
Maine East-West Route (Interstate 92)
-My personal favorites
Route 3 Super 2
Route 10 twinned Young's Cove-Sussex, extended to Moncton
Route 1 Riverview Bypass, extended to Confederation Bridge
Fundy, Miramichi Causeways
11 Extended South
Freeway from Sackville to Nowhere
Route 17 Super 2
New Route from Richibucto to Springfield, NS
Bridge from Bathurst to Quebec and back
95 Extended to Fredericton
Miscou Island Waterslide (Wheee!)
Confederation Bridge Closed, Replaced with Teleporter
Not on map, but demolish village of Minto with explosives (may as well take the rest of Queens County too)