Puerto Rico:
Predominantly metric. Fuel sold in liters Distances in kilometers.
Rental car odometer in miles. Speed limits in mph.
St Croix:
All USC.
St Kitts:
Odometer in km. Distances in miles. Speed limits not posted. Fuel
sold in imperial gallons.
Dominica:
Not known. Did not drive there.
Grenada:
Odometer in km. Distances sometimes in miles, sometimes in km. Speed
limits not posted. Fuel sold in imperial gallons.
Tobago:
Odometer in km. Distances in km. Fuel in liters.
Puerto Rico was the most interesting. It is an oasis of metric in an
otherwise USC nation and offers a counter-argument to anyone who says
that metering fuel in liters is not practical.
