PURPOSE: This rule prescribes the standards to be followed in the installation, maintenance, inspection, and testing of all railroadhighway grade crossing warning systems in Missouri, and in reporting and responding to malfunctions of those systems.

PUBLISHER’S NOTE: The secretary of state has determined that publication of the entire text of the material that is incorporated by reference as a portion of this rule would be unduly cumbersome or expensive. This material as incorporated by reference in this rule shall be maintained by the agency at its headquarters and shall be made available to the public for inspection and copying at no more than the actual cost of reproduction. This note applies only to the reference material. The entire text of the rule is printed here.

1. (1) The division incorporates by reference in this rule Part 8 of the Manual on Uniform Traffic Control Devices for Streets and Highways (2009 Edition including Revisions 1 and 2), which is incorporated by reference and made a part of this rule as published by the Federal Highway Administration, United States Department of Transportation, 400 7th Street SW, Room 3408, Washington, DC 20590, website: https://mutcd.fhwa.dot. gov/pdfs/2009r1r2/mutcd2009r1r2edition.pdf. This rule does not incorporate any subsequent amendments or additions of this manual. Part 8, entitled “Traffic Control for Railroad and Light Rail Transit Grade Crossings,” establishes standards for the design, installation, and operation of grade crossing warning devices. Unless a specific variance is granted by the division, the standards in Part 8 must be applied in the installation of all grade crossing warning systems in Missouri, except that only twelve- (12-) inch diameter lenses shall be used on flashing light signal units.
2. (2) Whenever one (1) or more adjacent tracks (but fewer than all tracks), are physically removed from a grade crossing, or physically removed, except through a grade crossing, then the railroad(s) responsible for maintaining the grade crossing shall relocate the warning devices to a clearance of not less than twelve feet (12') nor more than twenty feet (20') from the center line of the nearest remaining track within one hundred twenty
3. (120) days after the date of actual removal of the track, unless otherwise ordered by the division.
4. (3) The provisions governing the safety of highway-rail grade crossing signal systems published in Title 49, Code of Federal Regulations, Part 234, but not including Appendix A – Schedule of Penalties, are incorporated by reference and made a part of this rule as published October 1, 2016 by the Federal Railroad Administration, United States Department of Transportation, 1200 New Jersey Avenue SE, Washington, DC 20590. This rule does not incorporate any subsequent amendments or additions of this rule.

AUTHORITY: section 622.027, RSMo 2016.* This rule originally filed as 4 CSR 265-8.080. Emergency rule filed June 14, 1985, effective July 1, 1985, expired Oct. 28, 1985. Original rule filed Aug. 1, 1985, effective Oct. 29, 1985. Rescinded and readopted: Filed April 16, 1986, effective June 30, 1986. Amended: Filed Jan. 5, 1989, effective April 27, 1989. Amended: Filed May 2, 1991, effective Dec. 9, 1991. Amended: Filed June 22, 1998, effective Feb. 28, 1999. Moved and amended: Filed March 9, 2018, effective Oct. 30, 2018. Amended: Filed Sept. 8, 2023, effective April 30, 2024.

*Original authority: 622.027, RSMo 1985, amended 1993, 1995.