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To: James W. Riley who wrote (101362)5/21/2008 10:26:09 PM
From: quehubo  Respond to of 206160
 
This is an example of a minor change in behaviour.

Major changes would leave less cars on the road.

Major changes would be buying a small efficient car and only using the SUV for trips requiring an SUV.

Minor changes may only add up to limit annual increases in demand.

The hard ones are the major ones.



To: James W. Riley who wrote (101362)5/22/2008 1:54:01 PM
From: Dennis Roth  Read Replies (1) | Respond to of 206160
 
OT: Observations on I-5 traffic in Kali-fornia.

>> Don't know what effect it will have on demand but just completed a long drive up and down I-5 in Kalifornia and could not help but notice the trucks driving five and ten MPH below the speed limit. They were not alone as most private vehicles were holding the speed limit. <<

I drove I-5 in Kali-fornia May 2 from Ontario to Redding, an nice eleven hour jaunt, and then back again May 5th.*** The trucks were the only vehicles traveling at the speed limit. Traveling the slow right lane though Kings or Fresno county much below 80 is to take your life in you hands. The only place I observed trucks much below the speed limit was in El Tejon Pass, where they better go below the speed limit given the steep gradients and pea soup fogs.

The stories that Kali-fornians will drive below the posted speed limit out of an elevated sense of civic virtue or to save gas is an urban-internet myth.
What keeps Southern Kali-fornians driving I-5, 1-10, I-105,I-605. I-710, etcetera, below the posted speed limit is called TRAFFIC CONGESTION, not energy conservation.

*** OK, for you quibblers, I actually drove 1-10, then I-215, then I-210 before joining I-5. Even I'm not crazy enough to try and plow though downtown on I-5 during morning rush hour,
and I actually drove from Loma Linda to Lewiston but who ever heard of either?



To: James W. Riley who wrote (101362)5/26/2008 11:45:23 PM
From: energyplay  Respond to of 206160
 
I-5 speeds -- The average speeds vary along the length of I-5

The southern part, from Coalinga to Tejon pass, is the fastest, with speeds getting a bit faster the further south.

Traffic slower moving north, and near Los Banos is about 8-10 mph slower than south of Coalinga.

North of Sacramento is a few mph slower, and stays steady until Red Bluff.

Oregon and Washington state are another story entirely.

They types of passenger cars vary, with many more expensive German cars on the southern end.

Friday evenings also tend to be very fast.