D4 motorway (Czech Republic)
D4 motorway, formerly Expressway R4 is a highway in the Czech Republic, southwest from Prague.
Sections of the expressway:
| Expressway section | Length | Opening | Notes |
| Lahovičky - Jíloviště | 1970s | Not a highway | |
| Jíloviště - Skalka | 1970s - end of the 1980s | ||
| Skalka - II/118 | 2015–2017 | ||
| Mirotice - Třebkov | 09/2010 | ||
| Nová Hospoda - interchange with I/20 | 12/2007 |