A road is a thoroughfare, route, or way on land between two places.

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2
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3answers
264 views

Get the LatLon of middle points of a road segment?

Suppose I have the LatLon of the two end points as well as a small number of middle points of a road segment. What is the best way to calculate the LatLon of a middle point P of the road segment ...
2
votes
1answer
213 views

Sources for California roads data

I need a California roads network suitable for building a network dataset and routing to 120 locations. It needs to at least cover the Northern half of California. 2010 Census roads need alot of ...
4
votes
1answer
2k views

What does the code RTTYP represent in the USA Tiger road files?

I'm trying to figure out what a particular code represents in the US Census Tiger Line files for roads. I downloaded roads for the US from here. I've searched the documentation (link to large pdf) and ...
6
votes
2answers
2k views

Segment road network line shapefile into new equal length segments line shapefile

I would like to subdivide a road network for an entire state into segments of equal length. So, Highway X would be divided into 0.5 mile segments, with a record for each segment, and Highway Y would ...
5
votes
2answers
861 views

US Tiger or Open Street Map Route Data: One Way Street & Intersection Data

We're building a U.S. street routing application (finding paths for cars between two or more locations using public roads) and would like to use open source data US Tiger Data or Open Street Map or ...
12
votes
3answers
729 views

Recommendations for road maintenance management (on a small scale)

I am in a road association and we maintain our own 3 mile dirt road. In doing research on best practices for maintenance I discovered that other organizations use some mapping/GIS programs to help. ...