An Introduction to Leaflet

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Thanks so much to OGRIP for giving OVRDC the chance to share our experiences utilizing the Leaflet javascript web mapping library at the 2015 Ohio GIS Conference. Below are links to the pdf, online and zipped versions of the presentation. The…

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The State of Our Bridges

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  • Post category:RTPO

The Bridge Sufficiency Rating is an indexed value that takes into account a variety of factors including physical inspection of the bridge, traffic, number of lanes, etc. The result is a percentage comparing the current conditions of the bridge to…

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Pavement Condition Ratings

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As part of the RTPO planning process, we examined roadway conditions in our region using the Pavement Condition Rating. The PCR takes into account both the frequency and severity of various distresses present in the roadway such as cracking, potholes,…

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PCR Map

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ODOT measures roadway conditions through an indexed measurement called the Pavement Condition Rating (PCR). The PCR takes into account a variety of factors such as cracking, potholes, etc. A PCR rating of 65 or below highlights the need for roadway…

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Image Overlay Map

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  • Post category:Maps

Leaflet provides the capability to overlay an image on a map. This is done by setting the southeast and northwest bounds of the image. For this example the image was first georeferenced and rectified in ArcMap. The bounds were found…

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Safe Routes Academy 2015

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The Safe Routes to School National Partnership has announced the 2015 Safe Routes Academy. The Safe Routes Academy is a series of grant funded, on-demand workshops designed to provide the training on how to implement walking and cycling safety programs…

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