[PRCo] Re: Traffic light sequence

[ROBERT R ROCKWELL]

No, Yellow and red did not blend as green and yellow did.
Robert Rockwell
w3syt1 at msn.com<mailto:w3syt1 at msn.com>
  ----- Original Message ----- 
  From: Phillip Clark Campbell<mailto:pcc_sr at yahoo.com> 
  To: pittsburgh-railways at dementia.org<mailto:pittsburgh-railways at dementia.org> 
  Sent: Saturday, April 25, 2009 2:05 PM
  Subject: [PRCo] Re: Rush hour photos

  Traffic signal reveals the old cycle to yellow over
  green before straight yellow;  did the red come on before yellow cycled off?