How to Distinguish
- The domain ends with .pr
- Both Spanish and English are used
- Cars usually carry plates only on the rear
- You can find chunky, square utility poles
- In imagery captured before 2023 the Google Car antenna sits toward the right(by Geotips )
- Telephone numbers often begin with 787
Signs you can find
There are no cars with a front license plate. Thick square poles sometimes have colored paint near the base . In 2014–2023 imagery the left half of the plate looks dark while the right half is pale .
Public Domain
Speed limit signs use MPH , but roadside distance markers stay in kilometers . Likely, major highways were laid out in the Spanish era using kilometers, and the United States later added MPH speed limits when cars became widespread.
Highway shields come in a few styles. The circular shields usually cover numbers from 100 up to the 9000s (参考文献 List of highways in Puerto Rico).
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By Roca Ruiz - https://www.flickr.com/photos/roca-ruiz/6687927479/, CC BY-SA 2.0, Link
The Google Car antenna sits to the right(by Geotips ). Guam and the Northern Mariana Islands also have antennas, so pay attention.