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Thanks gbam...We also use truncated domes (detectable warnings at all crossings). The cost is certainly insignificant.

Does anyone have thoughts on providing stop bars, stop signs, and/or cross walk markings at commercial driveway openings? This would be in an urban environments with sidewalks. I have done it both ways and typically use the neighborhood as a guide...if I see them elsewhere or they were there in...

Does anyone have thoughts on providing stop bars, stop signs, and/or cross walk markings at commercial driveway openings? This would be in an urban environments with sidewalks. I have done it both ways and typically use the neighborhood as a guide...if I see them elsewhere or they were there in...

I am using the new "Magnitude and Frequency of Floods in New York" (USGS SIR 2006-5112) and have a couple of questions regarding a few of the variables for different regions. 1. What is the "contour-band method" used to compute Average Basin Slope (BS)? I have never heard of it. 2. Where can I...

thank you rconner. What I was really looking for was the frost depth map you mentioned which I found with some help from a structural engineer in the office. thanks again.

I am trying to locate a map showing the minimum depth of cover for a waterline in the NE; particularly NY. Any information would be helpful. Thank you