(a) “Regular schedule” means the carriage of property or passengers by at least:
(1) One single trip between fixed termini per week, for 4 consecutive weeks; or
(2) Three single trips between fixed termini within a period of 10 days.
(b) If property or passengers are carried by any vehicle as described in subsection (a) of this section, any one of the described trips is a regular schedule.
(c) This section shall be liberally construed.