What is santa sena border crossing?

As an AI language model, I don't have current information on the Santa Sena border crossing. However, I can tell you that Santa Sena is a small town located close to the US-Mexico border. The Santa Sena border crossing is a point of entry for individuals traveling by vehicle between the United States and Mexico. It is situated near the city of Nogales in the Mexican state of Sonora and the US state of Arizona. The crossing sees a significant amount of traffic due to its proximity to major urban centers in both countries. There may be restrictions on travel due to COVID-19 or other border-related security measures. It is always advisable to check the current guidelines and requirements before planning any travel across the Santa Sena border crossing.