I hope the plan works, but I read of other studies (but can’t find where) that adding new lanes only provides temporary relief. People who had been avoiding the bottleneck apparently come out of the woodwork and re-clog the road.
Don’t forget, the Governor has an uphill battle to get something that improves the quality of life through the demoncrat controlled general asylum in Annapolis. Only demoncrats can “promise” such things; they can’t have the befuddled masses thinking otherwise.
Google “induced demand.”