Interstate 97
Interstate 97 (I-97) is a part of the Interstate Highway System that runs entirely within Anne Arundel County, Maryland. The intrastate Interstate runs from U.S. Route 50 (US 50) and US 301 in Parole near Annapolis north to I-695 and I-895 in Brooklyn Park near Baltimore. The Interstate is the primary highway between Baltimore and Annapolis. I‑97 connects Annapolis with Baltimore–Washington International Airport and links the northern Anne Arundel County communities of Crownsville, Millersville, Severna Park, Glen Burnie, and Ferndale. It is the shortest primary Interstate Highway.
Interstate 80
The longest straight stretch of Interstate anywhere in the Interstate Highway System is the approximately of I-80 occurring between exit 318 in the Grand Island area and mile marker 390 near Lincoln. Along this length, the road does not vary from an ideally straight line by more than a few yards. After Lincoln, I-80 turns northeast towards Omaha. It then crosses the Missouri River in Omaha to enter the state of Iowa. Part of I-80 in Nebraska is marked as a Blue Star Memorial Highway.