 In 2002, cable barriers were installed in the median from milepost 6 to milepost 15 as a stopgap measure.These new barriers, installed for $2 million, required the regrading of the median and upgrades to the drainage system.These new protective devices have proved to be worthwhile, preventing many crossover accidents which have plagued the highway since the 1990s, mostly attributed to an increase in traffic on the overburdened Interstate Highway.