(1) Preservation of rights, privileges and benefits, including continuation of pension rights and payment of benefits, existing under collective bargaining agreements, or otherwise;
(2) Continuation of collective bargaining rights;
(3) Protection of individual employees against a worsening of their positions with respect to their employment; and
(4) Assurance of employment to persons employed by the mass transportation system acquired and priority of reemployment to persons previously employed. [1969 c.700 §29a]