Chrno is an American traffic modder who was active in 2007-2008. He contributed the Avenue Wide-Radius 45-degree and 90-degree puzzle pieces to the NAM, and his idea for extendable turn lanes led to the development of Turning Lane Extension Pieces.
| This article is incomplete or unfinished
If you have knowledge on this subject, please help out by editing this page. Further information may be found on the discussion page.