政策法规现行有效美国跨境陆运

§ 392.10 Railroad grade crossings; stopping required.

效力	法规类型	发布日期	生效日期	发文机构
现行有效	部门规章	2026-02-19	2026-03-23	Code of Federal Regulations (CFR) - Transportation (Title 49)

发布02-19

生效03-23

摘要总结AI 辅助解读

本法规规定特定商业车辆（如客运巴士、载运危险品或氯气的货车）在通过美国铁路平交道口时，必须在距铁轨15至50英尺处停车观察。驾驶员需确认无火车接近后方可通行，且严禁在穿越轨道过程中换挡。该规则旨在防止因操作不当导致的碰撞事故，适用于所有受监管的危险品运输及大型客车场景。

(a) Except as provided in paragraph (b) of this section, the driver of a commercial motor vehicle specified in paragraphs (a) (1) through (6) of this section shall not cross a railroad track or tracks at grade unless he/she first: Stops the commercial motor vehicle within 50 feet of, and not closer than 15 feet to, the tracks; thereafter listens and looks in each direction along the tracks for an approaching train; and ascertains that no train is approaching. When it is safe to do so, the driver may drive the commercial motor vehicle across the tracks in a gear that permits the commercial motor vehicle to complete the crossing without a change of gears. The driver must not shift gears while crossing the tracks.

- (1) Every bus transporting passengers,

- (2) Every commercial motor vehicle transporting any quantity of a Division 2.3 chlorine.

- (3) Every commercial motor vehicle which, in accordance with the regulations of the Department of Transportation, is required to be marked or placarded with one of the following classifications:

(i) Division 1.1

- (ii) Division 1.2, or Division 1.3

- (iii) Division 2.3 Poison gas

- (iv) Division 4.3

(v) Class 7

- (vi) Class 3 Flammable

- (vii) Division 5.1

- (viii) Division 2.2

- (ix) Division 2.3 Chlorine

(x) Division 6.1 Poison

- (xi) Division 2.2 Oxygen

- (xii) Division 2.1

- (xiii) Class 3 Combustible liquid

- (xiv) Division 4.1

- (xv) Division 5.1

- (xvi) Division 5.2

- (xvii) Class 8

- (xviii) Division 1.4

- (4) Every cargo tank motor vehicle, whether loaded or empty, used for the transportation of any hazardous material as defined in the Hazardous Materials Regulations of the Department of Transportation, parts 107 through 180 of this title.

- (5) Every cargo tank motor vehicle transporting a commodity which at the time of loading has a temperature above its flashpoint as determined by § 173.120 of this title.

- (6) Every cargo tank motor vehicle, whether loaded or empty, transporting any commodity under exemption in accordance with the provisions of subpart B of part 107 of this title.

(b) A stop need not be made at:

- (1) A streetcar crossing, or railroad tracks used exclusively for industrial switching purposes, within a business district, as defined in § 390.5 of this chapter.

- (2) A railroad grade crossing when a police officer or crossing flagman directs traffic to proceed.

- (3) A railroad grade crossing controlled by a functioning highway traffic signal transmitting a green indication which, under local law, permits the commercial motor vehicle to proceed across the railroad tracks without slowing or stopping.

- (4) An abandoned railroad grade crossing which is marked with a sign indicating that the rail line is abandoned.

- (5) An industrial or spur line railroad grade crossing marked with a sign reading “Exempt.” Such “Exempt” signs shall be erected only by or with the consent of the appropriate State or local authority.

(Sec. 12, 80 Stat. 931; 49 U.S.C. 1651 note; 49 U.S.C. 304, 1655; 49 CFR 1.48(b) and 301.60)

[33 FR 19732, Dec. 25, 1968, as amended at 35 FR 7801, May 21, 1970; 38 FR 1589, Jan. 16, 1973; 40 FR 44555, Sept. 29, 1975; 45 FR 46424, July 10, 1980; 47 FR 47837, Oct. 28, 1982; 59 FR 63924, Dec. 12, 1994; 60 FR 38746, 38747, July 28, 1995; 84 FR 51435, Sept. 30, 2019]