It is not an error in the website. This pricing has been going on for over a year now on the Michigan services. It has now spread to the Illinois services as well.
Also, you cannot purchase a business class upgrade onboard the Wolverine or Blue Water trains as business class is almost always sold out in advance of the travel day. Michigan services use the split cafe car/business class Amfleet which allows for only about 15 biz seats. NEC uses the full business class car and, outside of peak travel such as Friday afternoons, rarely sell out.
Ken
Also, you cannot purchase a business class upgrade onboard the Wolverine or Blue Water trains as business class is almost always sold out in advance of the travel day. Michigan services use the split cafe car/business class Amfleet which allows for only about 15 biz seats. NEC uses the full business class car and, outside of peak travel such as Friday afternoons, rarely sell out.
Ken