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Eagle Mark IV, cycling and flashing modes

Low-Quality rendering of an Eagle Mark IV display. After several cycles the signals go into flash mode according to MUTCD guidelines. (Flash starts when the main street signal transitions from red to green) and comes out of flash mode also according to MUTCD guidelines (Start at main street green interval)

Michigan_Left.gif countdown_ped_signal.gif mark_iv.gif My_Type_M.gif LED_signal.gif
File information
Filename:mark_iv.gif
Album name:basilicon89 / Traffic Signal Animations
Keywords:Traffic_Lights
Filesize:1714 KiB
Date added:Mar 29, 2011
Dimensions:1024 x 503 pixels
Displayed:2318 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=5766
Favorites:Add to Favorites

Comment 1 to 5 of 5
Page: 1

GullWhiz   [Mar 30, 2011 at 12:10 AM]
GullWhiz
I have seen in Washington DC when the bottom yellow flashes....then it jumps to solid yellow on the middle....and to red......then back to flashing yellow in bottom

basilicon89   [Mar 30, 2011 at 12:14 AM]
basilicon89
Is this in a Mid-Block Crosswalk operation

GullWhiz   [Mar 30, 2011 at 01:42 AM]
GullWhiz
I donno, but there was no green at all on this...

basilicon89   [Mar 30, 2011 at 05:13 PM]
basilicon89
I've only seen R/Y/Y setups used at Midblock intersections (those intersections that just consist of a crosswalk so pedestrians can cross the street) Yellow flashing would replace green during the main phase in order to keep caution of pedestrians in the area.

Another place I see R/Y/Y is at firehouses. Once again, flashing yellow replaces green to indicate use caution around the firehouse.

streetlight98   [Jul 23, 2011 at 07:37 PM]
streetlight98
Like you said Nick, I see those at the same places. The ones here have a solid 12" red, a solid 12" yellow and a flashing 8" yellow.


Comment 1 to 5 of 5
Page: 1