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Since the beginning of the 1990s, segments of the DK 7 are being gradually rebuilt to expressway standards and form parts of the Expressway S7. A section forming the beltway of Kraków is concurrent with the Autostrada A4 motorway.
Prior to its modernization, the DK 7 was the most dangerous road in Poland along with DK 1.[1] In 2007 there were 765 road accidents on DK 7, with 170 people dead and 1157 injured.[1] The following year the accident count dropped to 696.[1] DK7 is planned to be a four-lane road in the following years as of 2023 directly connected with the S7 Expressway.
Parts of the road are concurrent with pre-war German Reichsstraße 128 and 130.
