Authorities are warning drivers ahead of an anticipated increase in deer related crashes.

The Missouri State Highway Patrol said the majority of deer strikes crashes take place in October and November every year with the largest number in November. Although deer strikes can occur at any time, the patrol said most are between the hours of 5 p.m. and 6:59 a.m.

Last year, drivers in Missouri experienced 4,604 traffic crashes where deer-vehicle strikes occurred. One deer strike occurred every 1.9 hours in the state. In these crashes, there were six fatalities and 455 people were injured.

The patrol said, deer behavior changes due to mating season, which may cause an increase in sightings and roadway crossings. Hunting and crop harvesting may result in these animals being in places they aren’t usually seen. Drivers are urged to remain alert.

When drivers see deer the patrol is urging them to slow down and proceed with caution.  Also, deer often travel in groups so drivers should stay on guard after a close call or when they see a single deer. Natural features also affect deer movement. In areas where there are streams or wooded corridors surrounded by farmland, look for more deer to cross roadways.