California Code, Health and Safety Code - HSC § 8560

After dedication pursuant to this chapter, and as long as the property remains dedicated to cemetery purposes, no railroad, street, road, alley, pipe line, pole line, or other public thoroughfare or utility shall be laid out, through, over, or across any part of it without the consent of the cemetery authority owning and operating it, or of not less than two-thirds of the owners of interment plots.