怎么才能判断该路段限速多少?

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select * from tbl_Articles WHERE ArticleID=1132616 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1132616 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1132616 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(609211,363071,535426,571032,477703,572988,449161,589613,515407,610686,369287,592494,478298,426256,458968,594008,3078150,450188,459784,372156,849996,463251,359240,1508770,394944,87469,556627,457397,592864,553207) ORDER BY field (ArticleID,609211,363071,535426,571032,477703,572988,449161,589613,515407,610686,369287,592494,478298,426256,458968,594008,3078150,450188,459784,372156,849996,463251,359240,1508770,394944,87469,556627,457397,592864,553207)