§ 229-c. Existing rights. The repeal of article eight-A of the highway law, as added by chapter three hundred fifteen of the laws of nineteen hundred sixty shall not affect or impair any act done or right accruing, accrued or acquired, or liability incurred prior to the time such repeal takes effect, but the same may be enjoyed, asserted, enforced, prosecuted or inflicted, as fully and to the same extent as if such repeal had not been effected.