This is the 5884th most frequent Russian word.
региональными
"Regional" (adjective, relating to regions).
The word "региональными" is used as an adjective describing "властями" (authorities), specifying that they are associated with a region.
Государственная политика направлена на развитие региональными властями местной инфраструктуры.
The state policy is aimed at the development of local infrastructure by regional authorities.
Here, "региональными" modifies "картами" (cards), indicating that the cards are valid or associated with the region.
Региональными картами можно оплачивать проезд в общественном транспорте.
Regional cards can be used to pay for public transportation.
In this example, "региональными" acts as an attribute of "ресурсами" (resources), denoting that the resources are related to a particular region.