General Highway Talk

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[1] Historic official state maps online

[2] AASHTO Route Numbering Database Documents

[3] How do you get the URL of a particular place on Google Street View?

[4] Road and Highway Reference Sites

[5] State routes created with "useless" overlaps to give a corridor one number

[6] Minor Crash? Move Over!

[7] Which state has the highest number of non-Interstate freeways?

[8] teaches about highways

[9] Interstates that changed the most from planning stage to building stage


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