Yes, a newborn can go on a 3-hour drive, but pediatricians and car safety experts strongly recommend following the "2-hour rule." Babies should not stay in a car seat for more than two hours within any 24-hour period because the semi-upright position can put strain on their developing spine and potentially restrict their airflow. For a 3-hour journey, you must plan at least one significant break (around 15–30 minutes) at the halfway point. During this stop, take the baby out of the car seat completely, allow them to stretch on a flat surface, feed them, and change their diaper. This helps prevent "positional asphyxia," where a newborn's heavy head falls forward, blocking their airway. Additionally, ensure the car seat is installed at the correct recline angle for an infant to keep their head back and chest open. Avoid bulky clothing like winter coats under the harness, as these prevent a snug fit; instead, tuck a blanket over the straps once the baby is secure. If possible, have an adult sit in the back with the newborn to monitor their breathing and head position throughout the drive. With proper breaks and monitoring, a 3-hour trip is perfectly manageable and safe for a healthy newborn.