Use 'crowd onto' for situations where many people enter a space together, suggesting unplanned or spontaneous action. When the gates opened, fans began to crowd onto the platform.
Pro Tip 2/3
Physical Movement
'Crowd onto' involves physical movement and usually implies some level of discomfort or lack of space. Passengers had to crowd onto the bus due to the rain.
Pro Tip 3/3
Conveys Urgency
The phrase often suggests a sense of urgency or haste as people compete for space. Shoppers began to crowd onto the escalators for the grand opening.