General info:
ModelCanon PowerShot A570 IS
MakeCanon
Basic shot info:
Focal Length7.9 mm; equivalent: 48 mm
Aperture ValueF4
White BalanceAuto white balance
FlashFlash did not fire, auto
Metering ModeMulti-segment
Shutter Speed Value1/201 sec
ISO Speed Ratings80
Advanced shot info:
Exposure Bias Value0 EV
Exposure Time1/200 sec
Exposure ModeAuto exposure
Max Aperture ValueF3.2
Exif-related info:
Exif Version2.20
Exif Image Width559 pixels
Exif Image Height420 pixels
Color SpacesRGB
CompressionJPEG (old-style)
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Path crossing
We look from east to west along Belleview Boulevard toward S. Fort Harrison Avenue. The sign in the picture announces the path's crossing two legs of the intersection. By riding lightly-traveled residential streets one block east of Harrison, I easily avoided the annoying and hazardous sidewalk section of the trail. Checking the Google map in the index page for this slide, you will see that all east-west streets east of Harrison dead-end against a railroad corridor -- they carry almost no traffic. When I reached Harrison, the traffic-signal actuator -- a quadrupole loop detector, which should work for bicyclists -- was not marked with a bicycle symbol indicating where to wait, and did not work for me. The detectors for Belleview Boulevard east and west trigger the signals separately, and so I had to cross on the red light once vehicles from the opposite direction had all crossed.This treatment, and of the entire segment through this area, convey the following messages:
  • "Bicyclists ride on the trail; we don't concern ourselves about how they get to or from the trail."
  • "We'll install detectors capable of sensing bicycles, because the rules say we must, but testing them is not on our priority list."
  • "Bicyclists can become pedestrians but pedestrians can't become bicyclists, so pedestrian design wins."
  • "Not in my front yard."
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Photos and captions by John S. Allen
unless otherwise indicated.