[§291E-20]  Minimum standards for roadblock procedures.  (a)  Every intoxicant control roadblock program shall:

     (1)  Require that all vehicles approaching roadblocks be stopped or that certain vehicles be stopped by selecting vehicles in a specified numerical sequence or pattern;

     (2)  Require that roadblocks be located at fixed locations for a maximum three-hour period;

     (3)  Provide for the following minimum safety precautions at every roadblock:

         (A)  Proper illumination;

         (B)  Off-road or otherwise safe and secure holding areas for vehicles involved in any roadblock stop;

         (C)  Uniformed law enforcement officers carrying proper identification;

         (D)  Adequate advance warning of the fact and purpose of the roadblocks, either by sign posts, flares, or other alternative methods;

         (E)  Termination of roadblocks at the discretion of the law enforcement officer in charge where traffic congestion would otherwise result; and

     (4)  Provide for a sufficient quantity and visibility of uniformed officers and official vehicles to ensure speedy compliance with the purpose of the roadblocks and to move traffic with a minimum of inconvenience.

     (b)  Nothing in this section shall prohibit the establishment of procedures to make roadblock programs less intrusive than required by the minimum standards provided in this section. [L 2000, c 189, pt of §23]