Mn/DOT has adopted supplementary railroad advance-warning signs numbered W10-X1, W10-X2, W10-X3, and W13-1, as described in this part. These signs are intended for use in advance of grade crossings where neither active warning devices nor stop signs have been installed and where conditions indicate the need for additional advance warning supplementing that provided by the W10-1 circular railroad advance-warning sign. The use of these signs must be based on investigation by the road authority or the commissioner of conditions at the grade crossing, such as train and vehicle speeds, sight distractions or obstructions, stopping distances, and similar criteria.
The installation, maintenance, and costs of supplementary railroad advance-warning signs are responsibilities of the road authority.
By January 1, 1997, all existing supplementary railroad advance-warning signs will be replaced with supplementary advance-warning signs that are reflectorized with wide-angle, prismatic, retroreflective sheeting or with a material that is equivalent.
After a supplementary railroad advance-warning sign reflectorized with wide-angle, prismatic, retroreflective sheeting or with an equivalent material is installed, future replacement of that supplementary railroad advance-warning sign by the road authority must be to at least the same level of reflectorization.
The supplementary advance-warning signs may be used individually or in logical sequence, but must always be preceded on the approach by the W10-1 sign, which is the initial and primary warning sign to be installed at grade crossings.
Supplementary advance-warning signs alert motorists as follows:
Minn. R. agency 175, ch. 8830, SIGNS, SIGNALS, OTHER SAFETY MEASURES, pt. 8830.0700
Statutory Authority: MS s 218.071; 219.073; 219.165; 219.17; 219.384; 222.50; 222.58; 222.63