Md. Code Regs. 11.19.02.23

Current through Register Vol. 51, No. 12, June 14, 2024

Section 11.19.02.23 - Horns

A. The bus shall be equipped with a minimum of two horns of standard make, each horn capable of producing complex sound in a band of audio frequencies between approximately 250 and 2,000 hertz and having a total sound level of 110 decibels within these frequency limits when measured at a point on an axis of the horn 3 feet from the exit of the horn.

B. The horns shall be audible to other highway users at a distance of 300 feet.

C. If louder horns are desired, they shall be capable of producing a sound level of 120 decibels under the conditions specified above.

D. The horn control shall be located in the manufacturer's original position.

Md. Code Regs. 11.19.02.23

Regulations .23 adopted effective June 1, 1987 (14:11 Md. R. 1261)
Regulation .23E amended effective January 8, 1990 (16:26 Md. R. 2795)