All offenses committed under ordinances enforced prior to the effective date of this code shall be prosecuted and remain punishable as provided by those ordinances. This code does not affect any rights or liabilities accrued, penalties incurred, or proceedings begun prior to the effective date of this code. The liabilities, proceedings and rights are continued; punishments, penalties, or forfeitures shall be enforced and imposed as if this code had not been enacted. In particular, any agreement granting permission to utilize highway rights-of-way, contracts entered into or franchises granted, the acceptance, establishment or vacation of any highway, and the election of corporate officers shall remain valid in all respects, as if this code had not been enacted.