- ... that the Maryland Route 33 drawbridge onto Tilghman Island is among the busiest in the United States and the world in terms of drawbridge openings?
- ...that the Harbor Tunnel Thruway, otherwise known as Interstate 895, has had three different sets of exit numbers?
- ...that signs were placed on westbound Interstate 70 to reduce motorist confusion between Maryland Route 68 and Interstate 68, which meet I-70 17 miles (27 km) apart in Washington County?
