 Early estimates of the entire project place the cost at $567 million.Initial plans to widen I-93 to a uniform four travel lanes in both directions from Salem to Manchester beginning in 2008 were put on hold due to a lawsuit designed to force the New Hampshire Department of Transportation (NHDOT) to update the plans to include other transportation options.Under orders from US District Court, the NHDOT and US Department of Transportation must provide an updated environmental review.