So much of what contractors use is petroleum derivative stuff.

Truck-only lanes is a significant priority of the department, both in the concept for I-75/575 and also statewide, particularly in metro Atlanta. We are very confident that it has an application and a use in metro Atlanta.

That will be a little less intrusive.

It's not a simple process. It's an important part of the plan, but just one small step.

[The consultant will look at] construction issues, utility issues, right-of-way issues, traffic issues, everything that comes into play in these multiple giant projects, ... try and determine if they should be done in a specific order to save money and minimize the impact on motorists.

That's a huge project. This one will dwarf that, in terms of scope, impact and right of way.