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A citizen had an accident at a town owned parking lot. A pedestrian was outside of the asphalt in the grass at dusk and when they walked back to the parking lot they tripped over the edge of the asphalt and injured themselves. There is no curb or painted edge along the asphalt lot, there is...

What kind of clear zone guidlines are there for roadside seating at a cafe? We have a 25mph posted speed limit with vertical curb face with a 12' sidewalk on the back of curb. Can we have seating on the 12' sidewalk? AASHTO says to keep a minimum of 18" from the face of the curb for clear...

I'm designing a small pavilion site with a parking lot and bathroom in a remote part of my town. The site is located on top of a hill. At the bottom of the hill there is a stream and on the other side of the stream is the sewer manhole I will be tying into. I was planning on using a grinder...

I am currently the in-house design engineer for a small town. We are designing a boardwalk in an environmentally sensitive area. I've been working as a land development engineer for the past 8 years but I have little structural design experience besides what I learned in school so many years...

The minimum crosswalk width in North Carolina is 6'. Does anyone know if the ADA has any requirements of minimum crosswalk width?

My town is having issues with median signs getting hit by motorists. These are the bear right signs that are placed at the nose of medians to alert drivers of the median. I need to research ways to decrease the danger and frequency of these collisions. So far I've come up with the following...

I received a complaint about one of my town's center left turn lanes (both directions use the center lane for left turns). A homeowner has complained about almost getting into a head on collision with another motorist trying to make a left turn going westbound as the homeowner was traveling...

I have an existing asbestos cement pipe that I will be planting trees almost directly above. The pipe is old and is estimated to have 3.5' of cover. We plan on planting shallow rooting trees but I would also like to use some sort of root guard for added protection. Does anyone have any...