Plans to tackle queues at Ely level crossing
A £28m road and viaduct could help ease congestion at a level crossing in Ely.
Cambridgeshire County Council has presented four other solutions for the area to the south of the station, including a lorry stacking system.
Improvements to the A142 have been identified as one of the council's key infrastructure projects.
A spokesman said funding could come from "prudent approved borrowing", and "possible contributions" from developers and government.
A survey carried out in 2010 found that the level crossing barriers at Ely were down for an average of 35 minutes in every hour on a weekday, resulting in traffic queues of up to 100m (330ft) several times a day.
The council initially consulted the public on improvements to the road and railway crossing in 2003, but a spokesman said "a number of hurdles... slowed progress".
It now plans to tackle the issue again.
As well as the new road and 500m (1,600ft) viaduct which will span the railway line and River Great Ouse, suggestions include a bridge across the tracks but not the river, improvements to the current underpass and lorry lanes and stacking areas.
Councillor Ian Bates, cabinet member for growth and planning at Cambridgeshire County Council, said: "The issue of funding is still a challenge but the way projects like this could be funded has changed in recent years."
He added: "It is important to us to hold a consultation to understand what residents from across east Cambridgeshire think and whether they still support our plans as we move forward."
The consultation ends on 11 November.