§ 137. Transportation policy. It is hereby declared to be the policy
of this state to regulate transportation by motor carriers in such
manner as to recognize and preserve the inherent advantages of, and
foster sound economic conditions in such transportation and among such
carriers in the public interest; promote safe, adequate, economical and
efficient service by motor carriers, and reasonable charges therefor,
without unjust discriminations, undue preferences or advantages, and
unfair or destructive competitive practices; improve the relations
between, and coordinate transportation by and regulation of motor
carriers and other carriers.