The road existed in this state until the early 1990s, when the first 17 kilometers at its eastern end was rebuilt with new concrete carriageways and first signed A18 (later, in August 2009, the section signed as A18 was shortened to 7 km, while the other 10 km of the road were re-signed as A4 after the completion of a missing stretch of that motorway Table listing existing highways in Poland, from Nowe Drogi magazine website ).