You can walk across at any border crossing or you can drive across. There is an app that gives border wait times so you have an eof how long youu2019ll be in line.If you are a USA citizen, you have to have a passport book or card if youu2019re entering by land. Passport book is required for arrivals into the USA from Mu00e9xico by air or ship. If you are a Mexican citizen you need a Mexican passport and a US visa. For other nationalities you may need a USA visa.