I've seen and read the message posted in response to people seeking help in researching Lonoke, AR roadblocks. It stated that there is a lady at the Lonoke County Museum that will assist you in your research. However, I do not recall her name. Maybe she can help you.

Lonoke County Museum
215 Southeast Front Street
Lonoke, AR 72086
Phone: (501) 676-6635
Fax: (501) 676-7687
lonokecomuseum@yahoo.com