For those that were really hoping it wouldn't be the case it has been announced to be true. Due to the construction at St Thomas Sports Park no fans will be allowed to any of the training camp practices per PFT. Also, due to other events already scheduled, there will be no practices or scrimmages at Nissan Stadium.
No fans at Titans camp due to construction at team facility - ProFootballTalk
No fans at Titans camp due to construction at team facility - ProFootballTalk