An upgrade of the highway at Montagu Bay, involving the addition of extra lanes and On/Off ramps between the East Derwent Highway and Rosny Hill Road, to provide safer passage of traffic travelling between these two Roads The upgrading of the Holyman Avenue Roundabout into the airport at Cambridge. The addition of On/Off Ramps at Gordons Hill Road at Rosny. The State government recently purchased land at Cambridge on the northern boundary of Hobart Airport to facilitate the future duplication of the Tasman Highway to Sorell. Additionally, Independent bodies and proponents of the Highway have also made proposals of their own, including: Building the Highway to limited access, dual carriageway standard between the Airport and Sorell. Capacity upgrades between the Hobart city centre and the Mornington interchange. Route The southern section of the Highway commences on the fringe of the Hobart Central Business District at the intersection with the Brooker Highway and the Davey/Macquarie couplet. Featuring between four and five lanes of traffic and utilizing a lane management system for peak hour traffic, the highway travels north along the western shore of the Derwent River, intersecting with the Domain Highway before preceding over the Tasman Bridge. On the eastern side of the Bridge there are two interchanges in close proximity; the East Derwent Highway intersects the highway immediately after the bridge via the Lindisfarne Interchange and within 500 meters there is an interchange connecting Rosny Hill Road. From Rosny Hill Road the Tasman Highway continues east as a fully grade separated, Limited access highway intersecting with the South Arm Highway at Mornington and concluding at the airport roundabout. For the remaining from the Airport the highway features 2 lanes of traffic, and travels over Mcgees Bridge and the Sorell Causeway to Sorell. Sorell to St Helens The road to Orford remains at the national standard as a two-lane highway, albeit with only a few overtaking lanes along its distance. The remainder of the road to St Helens is two lane, with even fewer overtaking opportunities. In places, the eastern coastal portion of the highway runs just metres from the Tasman Sea, making it the easternmost A road in Tasmania. The Tasman Highway is marketed as "East Coast Escape" between St Helens and Orford, to fit in with Tasmania's scheme of introducing tourist trails, a way of simplifying navigation of key tourist locations in Tasmania. Prior to 1990, there was no