Responsible for coordinating with the railroad regarding diagnostic meetings, joint maintenance inspections, and any grade crossing-related incidents. Also responsible for coordinating with local highway authorities regarding any construction work taking place near grade crossings including controller testing and cutover.

Responsible for general traffic engineering within the District. Also, regarding interconnected crossings, responsible for coordinating annual joint maintenance inspections and being the primary point of contact for issues noted outside annual inspections. These responsibilities may be delegated to another qualified person.

Group consisting of the railroad authority, highway authority, and project team to visit the project location and discuss the existing conditions as well as any proposed improvements. The role of the diagnostic team specific to interconnected railroad crossings is discussed further in Chapter 2 of this manual, with additional details provided in the TxDOT Rail-Highway Operations Manual.

Owner of the roadway. For the purposes of railroad preemption, the agency responsible for maintaining the traffic signal.

Owner and/or operator of the railroad line. For the purposes of preemption, the railroad company is responsible for maintaining the railroad warning devices and railroad circuitry.

Railroad investigators are not required to attend inspections; however, relevant information should be shared with them. Railroad investigators may participate in cutovers and diagnostic reviews, if necessary.

Has the authority to implement rail improvements through public-private partnership agreements and provide investments in freight rail relocation projects, rail facility improvements, rail line consolidations, or new passenger rail developments. Provides guidance related to the railroad interconnection implementation process. This individual should be invited to maintenance meetings but is not required to attend.