[1] It follows the city's middle ring road with some small deviations on parts of the route.

The service dates back to the days of Birmingham City Transport.

[3] In 2004, the Birmingham Repertory Theatre staged the musical "Ridin' The Number 8" by Laurie Hornsby and Euan Rose, in which a cast of 'Brummie' characters board an Inner Circle bus and reminisce about the people and places they encounter along the route.

[4] In October 2020, the 8 transferred to Perry Barr garage upon the closure of Bordesley; where the routes had been operated since 2005.

Opposite direction for clockwise)[1] M.Hanson, D. Harvey and P. Drake The Inner Circle - Birmingham's No.