Yes. Adults and children with U.S. passport cards can save time at the U.S.-Mexico border by using designated Ready Lanes that read the passport card’s Radio Frequency Identification (RFID) technology.
How to use Ready Lanes with a U.S. passport card:
Navigate to a lane that has the Ready Lane logo
Keep your passport card in hand
Display the passport card to the RFID card readers
Proceed to a U.S. Customs and Border Protection (CBP) officer