After 49 CFR 192.323, insert:
PSC 192.324w Rail Crossings. Whenever a steel pipeline is installed under a railroad track and a casing is not used, the operator shall install the pipeline using the methods prescribed in Gas Research Institute report number GRI-91/0285, entitled "Guidelines for Pipelines Crossing Railroads and Highways."
Wis. Admin. Code Public Service Commission PSC 135.324