66 icons by United States Department of Transportation
4 icons by Everaldo Coelho
173 icons by MEMO Designer
37 icons by Earam
6 icons by Turbomilk
10 icons by Iconshock
25 icons by Fasticon
21 icons by Melaamory
197 icons by Yusuke Kamiyamane
30 icons by Quake9.com
8 icons by Double-J Design
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6 icons by jj-maxer
6 icons by McDo Design
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9 icons by Mermer
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5 icons by Alexei Ryazancev
51 icons by Icons Land
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