It’s not a slowdown -- it’s a virtual work stoppage.

NYPD traffic tickets and summonses for minor offenses have dropped off by a staggering 94 percent following the execution of two cops -- as officers feel betrayed by the mayor and fear for their safety, The Post has learned.

The dramatic drop comes as Police Commissioner Bill Bratton and Mayor Bill de Blasio plan to hold an emergency summit on Tuesday with the heads of the five police unions to try to close the widening rift between cops and the administration.

The unprecedented meeting is being held at the new Police Academy in Queens at 2 p.m., sources said.

Angry union leaders have ordered drastic measures for their members since the Dec. 20 assassination of two NYPD cops in a patrol car, including that two units respond to every call.

Click for more from the New York Post.