This is the 2850th most frequent Polish word.
krajowy
"Domestic" or "national."
Here, 'krajowe' refers to 'domestic', relating to within the borders of the country, showcasing its usage as an adjective in relation to transportation systems.
Pociągi krajowe są często bardziej punktualne.
Domestic trains are often more punctual.
In this instance, 'krajową' (a declined form of 'krajowy') pertains to something that is nationwide or across the country, here describing a type of newspaper.
Czy masz gazetę krajową?
Do you have a national newspaper?
Here, 'krajowemu' (another declined form of 'krajowy') identifies the support as being provided on a national level, highlighting the usage of the word to indicate scope or origin in a governmental or country-wide context.