---
kind: "section"
citation: "49 C.F.R. § 236.1035"
title: "49"
number: "236.1035"
heading: "Field testing requirements."
url: "https://uscodex.org/cfr/49/236.1035"
---

# §236.1035. Field testing requirements.

- (a) Before any field testing of an uncertified PTC system, or a product of an uncertified PTC system, or any regression testing of a certified PTC system is conducted on the general rail system, the railroad requesting the testing must provide:
  - (1) A complete description of the PTC system;
  - (2) An operational concepts document;
  - (3) A complete description of the specific test procedures, including the measures that will be taken to protect trains and on-track equipment;
  - (4) An analysis of the applicability of the requirements of subparts A through G of this part to the PTC system that will not apply during testing;
  - (5) The date the proposed testing shall begin;
  - (6) The test locations; and
  - (7) The effect on the current method of operation the PTC system will or may have under test.
- (b) FRA may impose additional testing conditions that it believes may be necessary for the safety of train operations.
- (c) Relief from regulations other than from subparts [A](/cfr/49/subpartA.md) through [G](/cfr/49/subpartG.md) of this part that the railroad believes are necessary to support the field testing, must be requested in accordance with [part 211 of this title](/cfr/49/part211.md).

## Notes

### Source

Source: 75 FR 2699, Jan. 15, 2010, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 20102-20103, 20107, 20133, 20141, 20157, 20301-20303, 20306, 20501-20505, 20701-20703, 21301-21302, 21304; 28 U.S.C. 2461 note; and 49 CFR 1.89.

### Source

Source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.