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Minor street cross slope change in grade at intersection

Minor street cross slope change in grade at intersection

Minor street cross slope change in grade at intersection

(OP)
I am looking for a rule of thumb for the maximum street cross slope change in grade for a minor street warping when approaching an intersection.  I found the following on a Colorado web site:

The rate of change in pavement cross slope, when warping side streets at intersections, shall not exceed 1% every:

·    25 feet horizontally on local road
·    37.5 feet horizontally on a collector
·    56.5 feet horizontally on arterial roadways

Does anyone know of any other standards?

Thanks,

Jeff

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