When requesting a transit vehicle stop zone outside of any incorporated city or town, the public transit agency shall be responsible for conducting a field review to evaluate accessibility to the proposed location. When the requested location is within the roadway, the transit agency shall have a policy for in-lane stops that addresses safety and operational issues. Upon receipt of a request from a public transit authority for approval of a transit vehicle stop zone outside of any incorporated city or town, the department of transportation shall assess the sight distance at the proposed location.