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Old July 31st, 2015, 07:45 PM   #1
Pink Jazz
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Electronic Travel Times signage

One type of sign that has been growing in popularity in the United States are electronic travel times signage. Such information may be displayed either on a full dynamic message sign, or on a mostly static sign with small LED panels that show the amount of minutes to specific destinations.

Here in the Phoenix area, the travel times program was launched in 2008. Initially only being displayed during rush hours in the peak direction, as of this week ADOT has decided to leave them on in both directions for most of the day (5 AM to 11 PM on weekdays and 7 AM to 9 PM on weekends).

I wonder, does your city have a travel times program for its freeways? I presume they are not just in use in the United States but in other countries as well.
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Old July 31st, 2015, 08:29 PM   #2
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Not too sure of operation times and how long they've been there but I've seen them on the M4 Motorway in Sydney.

DSC02611 by MDRX1, on Flickr
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Old July 31st, 2015, 08:50 PM   #3
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The Netherlands has (as of 2011) 118 VMS gantries, 135 roadside VMSs and 227 small mobile VMSs.

These VMSs show various information, based on current needs.

They also experimented with various ways to show the travel time and or delay. Travel time alone may not be an indication of traffic conditions to people unknown to the area (is 30 minutes from Zwolle to Nieuwleusen long or not? A local can tell, but someone who doesn't know where Nieuwleusen is can not).

This VMS shows regular travel time + delay, so you'll have to figure out for yourself how long the total travel time is.

VMS A28 Zwolle-Zuid by European Roads, on Flickr

This one shows total travel time.

DRIP 60 min by European Roads, on Flickr
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Old August 1st, 2015, 04:17 AM   #4
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They are common in Seattle but I've noticed that they're not very good. I think Google Maps/Waze is better for real time data.
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Old August 1st, 2015, 07:15 AM   #5
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In free flowing traffic, they are pretty much useless because they are mostly based in unrealistic, underposted speed limits that nobody obeys.
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