1. 
   Walkway
   A narrow footway supported by the main structure to provide access to a maintenance platform.
   Found op http://www.corusconstruction.com/en/design_guidance/the_blue_book/
   
   
2. 
   Walkway
   In US English, a walkway is a composite or umbrella term for all engineered surfaces or structures which support the use of trails. These include sidewalks, footbridges, stiles, stairs, ramps, paseos or tunnels. Walkways can also be used by passengers to board or disembark from an aircraft to the t...
   Found op http://en.wikipedia.org/wiki/Walkway
   
   
3. 
   walkway
   1) Aisle 2) Boulevard 3) Esplanade 4) Gangplank 5) Gangway 6) Paseo 7) Passage 8) Passage for pedestrians 9) Passageway 10) Path 11) Public walk 12) Walk
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/walkway/1
   
   

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