Two billion pounds' worth of new road schemes for the region are due to be announced on Monday, ITV News West Country understands.
These are likely to include a tunnel at Stonehenge and making the A358 into dual carriageway - something Yeovil MP David Laws has been campaigning for.
The Deputy Prime Minister Nick Clegg has been discussing proposals to improve the A303 to the West country at a meeting with business leaders and councillors in Somerset.
He gave strong hints that money for the scheme would be announced in the Chancellor of the Exchequer's Autumn Statement next month.
The man who died in a collision on the A303 last week has been named.
52 year old Paul Jewkes from North Somerset died after the car he was travelling in collided with a lorry on the A303 near Ilminster on Thursday 26th September.
Police are appealing for any motorists who were travelling along the A303 shortly after 11 o'clock that morning to get in touch.
The driver of the lorry has been arrested and released on bail on suspicion of dangerous driving.
The driver of a lorry involved in a multi-vehicle crash on the A303 in Ilminster on Thursday has been arrested in connection with the fatal collision.
One of the drivers in a multi-vehicle crash on the A303 in Ilminster in Somerset on Thursday has died.
Avon and Somerset Police said he was driving the Vauxhall Corsa.
The A303 in Ilminster is closed following a four-vehicle crash.
A flat bed truck travelling westbound was in a collision with a Vauxhall Corsa travelling in the opposite direction and then two further cars.
The male driver of the truck has been seriously injured.
A man who was in the Corsa also suffered serious injuries.
The road has been closed to enable a full examination of the scene.
This could take several hours and motorists are being urged to avoid the area.
Relief could be on the horizon for the millions of motorists who get caught up in traffic jams on the A303 into and out of the west country. The Government says it wants to improve the road - parts of which are only single-carriageway.
Today the Chief Secretary to the Treasury - Danny Alexander said a feasibility study would look into the possibility of dualing the A303.