49 C.F.R. § 1242.12 Administration—signals (account XX–19–04).
Title 49 - Transportation
Separate common administration—signals expenses between freight and passenger services in the same proportion as the common expenses of the following accounts are separated between freight and passenger services:
Signals and Interlockers: Running (XX–17–19) Switching (XX–18–19)
Title 49: Transportation
PART 1242—SEPARATION OF COMMON OPERATING EXPENSES BETWEEN FREIGHT SERVICE AND PASSENGER SERVICE FOR RAILROADS
Operating Expenses—Way and Structures
§ 1242.12 Administration—signals (account XX–19–04).