Southern Alaska has had: (M1.5 or greater) 1  9 earthquakes in the past 24 hours. 2  54 earthquakes in the past 7 days. 3  294 earthquakes in the past 30 days. 4  5,169 earthquakes in the past 365 days.
An engines idle speed is a programmed function. We cannot directly adjust the engine idle speed on a modern vehicle. The power control module or PCM provides all adjustments to the idle speed. Though no external engine idle speed adjustments are possible, many things can and do cause problems.
The 85th percentile speed is an important roadway characteristic when determining a speed lim. It represents a speed most vehicles are at or below along a roadway segment, and this speed is. primarily based on the driverâs sense of comfort and safety, and the characteristics and overall. environment of the roadway.