The D48 will connect Bělotín, Nový Jičín, Frýdek-Místek and Český Těšín after its completion.

On Tuesday 15 December 2020, the 11.5 kilometres (7.1 mi) long section between Rybí and Rychaltice was put into operation.

[1] On 2 September 2022, the first part of the Frýdek-Místek bypass was put into operation, including the connection to the D56 motorway.

[4] A 3.7 kilometres (2.3 mi) section Dub - Palačov is under construction, since June 2023, planned to be put into operation around 2026.

New junction is also in preparation for a 2028 opening, between Frýdek-Místek and Český Těšín, in the village of Nosovice.