Plans for a relief road to ease traffic between two towns are to go on show.
It is hoped the road will cut congestion between the two towns
Dorset County Council is to submit planning proposals for the Weymouth Relief Road in Dorset this month.
Residents can see how the planned 3.75 mile (6km) single carriageway route will look at exhibitions in Weymouth and Dorchester from 10 September.
The road is intended to ease jams on the A354 from Weymouth to Dorchester and the A353 to the east, but has been opposed by conservationists.
It is feared the development could affect a habitat for the rare barbastelle bat.
Angus Campbell, the county council's portfolio holder for strategic planning and transportation, said: "Weymouth Relief Road is Dorset's biggest-ever capital construction project, and is an essential part of our Local Transport Plan for 2006-11.
"It will make a big difference to everyone who lives or travels in the Weymouth-Dorchester area, and I would urge people to come along and find out more about the project."