Codes used in several countries
RL on a licence plate
RL is an area code in 3 countries. The plate's style and country code tell them apart.
Germany
RL-AB 1234Code details →Mittelsachsen (Saxony)
named after Rochlitz
Norway
RL 12345Code details →Rogaland
named after Stavanger
United Kingdom
RL51 ABCCode details →Reading