david at frankieandshadow.com
Tue Jun 26 14:13:02 BST 2012
On 26/06/2012 12:39, David Earl wrote:
> On 26/06/2012 11:43, Martin Vonwald wrote:
>> Lately I was mapping features along motorways, including speed limits.
>> Some of them are displayed on electronic signs, but usually only
>> change in case of traffic jams... All of them showed 100. And under
>> normal circumstances they will always show 100.
BTW, US roads sometimes have permanent but different speed limits at day
and night (they are black characters on white for the daytime limits and
white on black for night).
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