Mostly online questions, you are timed and can be very scary. They are very quick to respond though with conducting interviews and questionnaires. Prepare by going over your resume and the company website.
I applied online. The process took 4 weeks. I interviewed at BNSF Railway in Oct 2021
Interview
After submitting an online application, a HireVue recorded interview was required. Several weeks later, there was a hiring day event. The event lasted a couple of hours in the morning with a group and ended with an interview with three HR managers/staff.
Interview questions [1]
Question 1
Why do you think you'll be a good fit for this role?