▁indust ries ▁( In cluding ▁electric ▁util ities , ▁electronic ▁indust ries , ▁and ▁mach in ery ) ▁ 9 7 1 5 - 9 7 1 7 . 5 ..... Const ruction ▁industry ▁ 9 7 2 0 - 9 9 7 5 .... ... Man ufact uring ▁indust ries ▁ 9 9 9 9 ........ .... M is cell aneous ▁indust ries ▁and ▁tr ades ▁ ▁HE ▁- ▁Transport ation ▁and ▁communic ations ▁▁▁ 1 - 9 9 9 0 ........ .... Transport ation ▁and ▁communic ations ▁ 1 9 9 - 1 9 9 . 5 ........ Fre ight ▁( General ) ▁ 1 9 9 . 9 ........ .... Pass enger ▁traffic ▁( General ) ▁ 3 0 5 - 3 1 1 ........ .. U r ban ▁transport ation ▁ 3 2 3 - 3 2 8 ........ .. Transport ation ▁ge ography . ▁Trade ▁routes ▁ 3 3 1 - 3 8 0 ........ .. Tra ffic ▁engineering . ▁Ro ads ▁and ▁high ways . ▁Stre ets ▁ 3 6 9 - 3 7 3 .... ..... Tra ffic ▁surve ys ▁( General ) ▁ 3 7 4 - 3 7 7 .... ..... B rid ges ▁ 3 7 9 - 3 8 0 .... ..... T unn els . ▁Ve h icular ▁t unn els ▁ 3 8 0 . 8 - 9 7 1 ........ W ater ▁transport ation ▁ 3 8 0 . 8 - 5 6 0 .... ... W ater ways