DMV.com details the license renewal process for senior drivers in the state of Arkansas.
Arkansas: Senior Drivers — Arkansas (03/06/2019)Source: Association
Simple Maze Test May ID At-Risk Older Drivers — National (08/08/2018)Source: US Department of Transportation
Simple Maze Test May ID At-Risk Older Drivers
Screening for Medically At-RIsk Drivers — National (03/06/2017)Source: US Department of Transportation
NHTSA offers a YouTube video to help State Driver Licensing Agencies (SDLA) screen for medically at-risk drivers
Kentucky: Driver License Information for Seniors — KentuckySource: Association
Caregiverlist.com states that there is no renewal test for seniors in the state of Kentucky. The renewal cycle is every four years and must be done in-person.