These and other such systems provide constant reminders to drivers of track conditions ahead, but are only updated at discrete points which can lead to situations where the information displayed to the driver has become out of date.
These provide constant reminders to drivers of track conditions ahead. Other such systems provide constant reminders to drivers of track conditions ahead. These are only updated at discrete points where the information displayed to the driver has become out of date. Other such systems are only updated at discrete points where the information displayed to the driver has become out of date. These discrete points can lead to situations.