Mississippi Highway Patrol prepares for holiday enforcement while facing manpower challenges From the article: There are 475 working troopers in Mississippi. But only 201 are assigned to work the roads. Divide that in half for shifts and factor in days off. And that means there are less than 100 troopers on the Mississippi's roads at any given time. And later down... The problem is, in 2015 we graduated 48 troopers," Poulos noted. "Since that time we have lost 86 due to attrition. So, it's very hard to keep our numbers up." It would cost over $11.3 million for a class of 100 graduates.