The federal government maybe planning to resume inter state travel on June 21 when flights are set to begin operations partially.
The inter State movement was disclosed by the personal aide to the president on Media, Bashir Ahmad @BashirAhmad he tweeted:-

“Interstate movement may resume on June 21, the National Coordinator of the Presidential Task Force on COVID-19, Dr. Sani Aliyu, gave the hint recently, as domestic flights expected to also resume on June 21.