OregonDOT:
I-5 Roberts Mountain pass
OregonDOT:
I-5 at Roberts Mountain
OregonDOT:
Southbound I-5 traffic on Roberts Mountain
OregonDOT:
I-5 construction on Roberts Mountain
OregonDOT:
I-5 climbing lane construction on Roberts Mountain
OregonDOT:
Excavation at top of Roberts Mountain