정확히 따지면 육로를 통한 non-essential travel은 금지되어 있습니다.
https://mx.usembassy.gov/travel-restrictions-fact-sheet/
The United States will temporarily limit inbound land border crossings from Canada and Mexico to “essential travel”.
Q: What will this mean for airline travel and other travel across the border?
A: This action does not apply to air, rail, or sea travel at this time, but does apply to commuter rail and ferry travel.