List of Contributions

Contact Details

Federal Highway Administration

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Mr. James Talley, P.E., M.ASCE

Federal Highway Administration

Contributions

1 to 3 of 3 total

RE: Lane width

Posted By James Talley 03-07-2019 07:00 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread

In the U.S., lane widths can vary from 9' (2.7m) to a maximum lane width of 12' (3.6m) on freeways. The width used depends on several factors including available space, speed, ADT, etc. Striping is typically 4 inches (10cm) wide but 6 or 8 inch (15-20cm) striping can also be used where conditions warrant ...

RE: Water Pipeline Design

Posted By James Talley 10-22-2018 12:19 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread

Hi Kelvin, I agree that Google Earth is a good place to start. A couple of other thoughts came to mind: --370km seems like a long way to run a pipeline, is there a closer water source available? From looking at the map, I assume you're looking to pull water from Lake Kariba but there's also Lake ...

RE: Rising pedestrian deaths & design

Posted By James Talley 10-01-2018 05:20 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread

I think any solution to this problem has to be on several fronts simultaneously. As engineering and safety professionals, we can only do so much to make the roads safe. Beyond that, it is an interaction between motorists and pedestrians and we can't always be there to stop the unfortunate from occurring. ...