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I have been trying out various low
clearance avoidance tools after witnessing a horrible accident and
having a close call myself. Obviously I look out for the signs ahead,
but not all bridges are posted and it's no good for planning a route
anyway.
So what are the options?
Rand McNally Motor Carrier Road
Atlas
Pros - Much more than a low clearance
list, with an abundance of useful information.
Cons - Limited to just over 1000 low
clearances. Can't use while driving. Costs around $50.
Available at:
http://www.amazon.com/McNally-Deluxe-Motor-Carriers-Mcnally/dp/0528942123
POI-Factory.com low clearance POI
database for GPS
Pros - Free to download. Accurate.
Ready to install.
Cons - Limited data, not much more than
300 entries.
Available at:
http://www.poi-factory.com/node/1154
DiscoveryOwners.com low clearance
POI database for GPS
Pros - Free to download. Accurate.
Cons - Limited data, approximately 400
entries. Many duplicates across several databases. Only available in
text format.
Available at:
http://www.discoveryowners.com/cginfolinks.htm
LowClearances.com low clearance POI
database for GPS
Pros - Huge database, up to 10 times
larger than the others available. Accurate. Regularly updated. Ready
to install.
Cons - Costs $20 for annual
subscription.
Available at:
http://www.lowclearances.com
There are also a few fully integrated
GPS systems available, but these are very expensive and I cannot
vouch for their accuracy or the number of low clearances in their
databases.
Hope this is of use.
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