State agency docket access varies by state and by agency within each state. In some cases, state agency dockets can be located on an agency's website. In others, you may need to contact the specific agency to find out more information.
Unified Agenda - Federal agencies publish announcements of their planned regulatory activity twice each year in the Unified Agenda of Federal Regulatory and Deregulatory actions.
The Regulations.gov database provides access to federal agencies' regulatory dockets, including comments filed on proposed regulations.