If VADOT were unable to sand and plow I-95 for this storm then presumably they'd have the same problem with the backup highway. I suppose given a bad crash the

If VADOT were unable to sand and plow I-95 for this storm then presumably they'd have the same problem with the backup highway. I suppose given a bad crash then the backup highway would help, but in that case, detouring off the highway between the crash-adjacent exits would work too.