http://law.justia.com/codes/new-jers...ion-39-4-97.1/
New Jersey Statute Title 39, Section 39:4-97.1. Slow speeds as blocking traffic
No person shall drive a motor vehicle at such a slow speed as to impede or block the normal and reasonable movement of traffic except when reduced speed is necessary for safe operation or in compliance with law.
L.1955, c. 220, p. 869, s. 3.
https://www.judiciary.state.nj.us/mc.../part1_b_c.pdf
$85 fine
If you have connections in the NJSP, have them sit somewhere and fine her DAILY.
...Or you can just leave 2 dead fishes in a pillow and have a note that says "you're next if you don't speed up".
(I know, this is a bullet proof vest but close enough)