| Clue | Source | Date |
|---|---|---|
| Freeway dividers | New York Times | 21 Aug 2022 |
| Interstate dividers | The Washington Post Sunday | 15 Mar 2020 |
| Mean relatives? | New York Times | 06 Dec 2017 |
| Road dividers | Universal | 30 Nov 2017 |
| Mean relatives? | ||
| Road dividers | ||
| Highway dividers | ||
| Middle-of-the-road figures | ||
| Some center strips | ||
| Divided highway features | ||
| Divided highway features | ||
| They stick to the middle of the road | ||
| Road dividers | ||
| Road dividers | ||
| Highway dividers | ||
| Highway dividers | ||
| Certain strips | ||
| Strips on the interstate | ||
| Certain veins, nerves, etc. | ||
| Ancient Persians. |