OAR 741-115-0070
OAR 741-115-0070. Bicycle Lane and Multi-use Path Construction
(1) Bicycle facilities shall intersect railroad tracks as close to 90 degrees as possible.
(2) Pathway grade crossings or bicycle lanes that have angles of intersection with railroad tracks of 60 to 74 degrees shall have a skewed crossing (W10-12) sign posted on each approach to the crossing.
(3) Pathway grade crossings or bicycle lanes that have angles of intersection with railroad tracks of 59 degrees or less shall require an engineering study.
[ED. NOTE: Figures referenced are available from the agency.]