We need everyone
Roads we are not allowed to ride on:
https://www.sha.state.md.us/exploremd/bicyclists/oppe/Bicyclists6.asp
Sidewalk riding is never required in MD and in most places is illegal.
https://198.187.128.12/Maryland/lpext.dll/Infobase/59378/5d5db/5dbb1/5dbbf?f=templates&fn=document-frame.htm&q=%A7%2021-1103&x=Advanced&2.0#LPHit1
It is expressways not highways that we are prohibited on.
Law:
https://198.187.128.12/Maryland/lpext.dll/Infobase/59378/5d5db/5dcd3/5dd03?f=templates&fn=document-frame.htm&q=%A7%2021-1205.1.&x=Advanced&2.0#LPHit1
Definition of expressway (police only had some items correct:)
https://198.187.128.12/Maryland/lpext.dll/Infobase/59378/5d5db/5d694/5d695?f=templates&fn=document-frame.htm&q=expressway%20Shoulders%20wide%20enough&x=Advanced&2.0#LPHit1
oldId.20060410112813248

I always refer to my Maryland Bike Map.
You can get one free, here:
https://www.sha.state.md.us/SHAServices/mapsBrochures/maps/oppe/maps.asp
It shows the same probibited roadways and bridges as the SHA web site.
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iodaniell
…apologies–can’t spell p r o h i b i t e d.
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iodaniell