The expressway is numbered E11 between Naruto and Tokushima Junctions and E32 between Tokushima and Kawanoe-Higashi Junctions under the MLIT's "2016 Proposal for Realization of Expressway Numbering.

[1] The first section of the Takamatsu Expressway to open was between Aizumi and Wakimachi interchanges on 17 March 1994.

The final section of the expressway (21.5 km between Ikawa-Ikeda Interchange and Kawanoe-Higashi Junction) was opened on 11 March 2000.

The route is 2 lanes for its entire length, with some overtaking areas.

Therefore, the distance numbers reset at the Tokushima Interchange, starting at 0.1 kilometres (0.062 mi).