Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast Detailed forecast for Eastern Mojave Desert, Including the Mojave National Preserve
A transportation barrier is a natural barrier like mountains, rivers, oceans, etc that blocks or slows the way of transportation.
Sound barriers: 1  considerably reduce noise levels for people living next to highways. 2  can reduce the loudness of traffic by as much as half. 3  do not totally block all traffic noise. 4  are most effective within 200 feet of a highway. 5  can be effective, regardless of the material used.