# COMAR Title 11 — Department of Transportation

## Subtitle 19 — Motor Vehicle Administration — School Vehicles

### Chapter 03 — Type II School Vehicles — Construction Standards

#### Regulation .35 Crossing Arm.

*COMAR 11.19.03.35*

A. A crossing arm may be installed on the far right of the front bumper. The crossing arm:

  (1) Shall be securely bolt-mounted;

  (2) Shall be easily removable for towing;

  (3) Shall be activated simultaneously with the stop arm;

  (4) May not open more than 90 degrees;

  (5) Shall extend a minimum of 66 inches from the front of the bumper when activated;

  (6) May not have sharp edges or projections which may cause injury to students; and

  (7) Shall be air, vacuum, or electrically operated and may not have lights.

B. Interrupt Switch.

  (1) A crossing arm interrupt switch may be installed on the dash near the control box for the alternating flashing lights.

  (2) Pressing the switch shall stop the arm from opening for a full cycle and the arm shall recycle after the alternating flashing lights have been deactivated.