sentences:  In 2006 the hill and the Brent Spence Bridge saw 151 crashes in the northbound direction and 121 crashes in the southbound direction, totaling 272 in all.To help reduce the number of accidents a flashing "Steep Grade" sign was installed, and a Kentucky State Police trooper was assigned to patrol just the Cut-in-the-Hill.Additionally, eight radar speed signs were installed in 2007 to remind motorists to drive a safer speed.