útágyazat betyr engelsk

roadbed [roadbeds]▼◼◼◼noun
[UK: ˈrəʊd.bed] [US: ˈroʊd.bed]

hard core▼noun
[UK: ˈhʌdk.ɔː] [US: ˈhʌdk.ɔː]

subgrade [subgrades]▼noun
[UK: sˈʌbɡreɪd] [US: sˈʌbɡreɪd]