I swear I've hit some potholes that went all the way down to the Bronze age.
Next batch of societies will be able to include the chewing gum layer.

@infobeautiful I can only assume that there havenโt been many UK-based respondents to thisโฆ as they would all be making pothole-related comments ๐ฎโ๐จ
(justifiably, as it has been a relentlessly-wet winter, leaving many UK roads in appalling condition)
I'd only seen photos of Roman roads made with flagstones.
Hadn't realised that some were aggregate.
Now wondering why only flagstone photos get widely distributed.
Where is that exhibit housed, please.

A slice of the A303 ๐ฃ๏ธ Have you ever wondered what exists beneath the road you drive on? ๐ Discover this slice of the A303 and learn more about the history behind our roads ๐