Series: National Geographic Adventure Map (Book 3107)
Map: 2 pages
Publisher: National Geographic Maps; 1 edition (May 7, 2011)
Language: English
ISBN-10: 1566955181
ISBN-13: 978-1566955188
Product Dimensions: 4.1 x 0.3 x 9 inches
Shipping Weight: 3.2 ounces (View shipping rates and policies)
Average Customer Review: 4.4 out of 5 stars See all reviews (87 customer reviews)
Best Sellers Rank: #62,657 in Books (See Top 100 in Books) #27 in Books > Travel > Caribbean > General #161 in Books > Reference > Atlases & Maps > Travel Maps #217 in Books > Travel > Reference > Atlases & Maps
This review is written from the point of view of the tourist from the US mainland that would want to rent a car in Puerto-Rico.To the best of my knowledge there are four categories of roads in PR:US Interstate class highways, signaled with the typical Interstate blue and red shield. Usually toll roads. Posted speed limits typically 65 mph. Best. (note: rentals usually come with a pass for the tolls for a small additional fee on top of the toll)Other major highways, signaled with a blue-only shield (or sometimes black-only shield). Similar to a US highway. Usually free. Posted limits typically 55 mph. Better.Major roads with a lane in each direction, signaled with a blue and yellow pentagonal sign similar to a US county road sign (new signs) or a black and white sign with the outline of PR similar to a US state road sign (old signs). Similar to a US county road. Posted speed typically varies between 35 and 50 mph. Good.Minor roads with only 3/4 of a lane in each direction (so you have to slow down when you cross an incoming vehicle) signaled with a black and white circular sign (at least for new signs, seems old signs for minor roads are the same as old signs for major roads). No US equivalent. Don't expect averaging more than 20 mph even if no speed limit posted.Free maps given by rental agencies are usually small and don't always clearly differentiate between major and minor roads. GPS also typically assume that you can average 50 mph on a minor road and make you take them when the proper approach is in fact to stick to major roads as much as possible, even if that increases the driving distance significantly.So one needs a good map. And this map is the best map I found so far.However this map is not perfect.
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