Browsing Archive: November, 2010

Freeway merging

Posted by Steve Fitzsimons on Tuesday, November 16, 2010, In : For the General Public 
Question:  I notice that many drivers don't seem to know how to merge on to the freeway.  What's the ideal method?  

Answer:  A recent survey (http://www.ite.org/itejournal/1011.asp) found that about 70% of drivers do know how to enter a freeway.  That means roughly 1 out of 3 do not.   The Califoria Driver's Handbook says - Enter the freeway at or near the speed of traffic. (Remember that the maximum speed allowed is 65 mph on most freeways.) Do not stop before merging into freeway traffic un...
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Pulling fiber optic cable over other cables

Posted by Steve Fitzsimons on Monday, November 8, 2010, In : For ITS Designers 
Question:  My City is replacing a fiber optic cable and a couple other cables, and because one cable is not going to be shipped to the site for some time, we are looking for options to pull most of the cables now and one later.  

Answer:  Pulling any cable into a conduit that already has cables can result in damage to the existing cables.  The probability of damage depends on the length of the conduit run, percent fill, number of existing cables and perhaps most importantly, the stiffness of t...
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Beware of sun glare

Posted by Steve Fitzsimons on Monday, November 1, 2010, In : For the General Public 

"A road safety charity has warned motorists that glare from the sun creates more dangers than driving at night or in bad weather.  From the UK, the Institute of Advanced Motorists (IAM), Neil Greig, IAM director of policy and research, said: ''We can't change the position of the sun, or the need to travel at certain times, but there are simple steps you can take to ensure you're prepared for these conditions.

''Keep your windscreen clean, both inside and out. On de-mist, your heater blows traf...
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About Us


Steve Fitzsimons If you would like to ask a question about driving rules, traffic signals or street lights, send your questions to: SFitzsimons@W-Trans.com or call 650-314-8313. Steve Fitzsimons is a professional Civil Engineer and Traffic Engineer in California. He is a principal at W-Trans. Find out more about W-Trans at www.w-trans.com **** If you need a traffic signal design or review, W-Trans is available for hire. If you are an electrical contractor, W-Trans is available for hire to prepare timing plans or traffic control plans.

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