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Several (about a half dozen) other “alternate” routes on the way east are described to allow large vehicles to avoid unnecessary narrow mountain roads (Arizona), low clearance obstacles (Missouri and Pennsylvania), and congested pedestrian areas (Indiana and Ohio). Each of these is indicated in the remarks at the top of the associated instructions page with details in a box at the bottom of the same page. 

## Look ahead! 

It is always prudent to plan ahead at least one Time Station and carefully look over the next page of instructions. Many times a Time Station has been placed at a turn in the route. That turn may appear on the page for that Time Station or at the start of the next page. 

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