15-1  运输线路里程、质量和运输网密度
Length,Quality and Density of Transportation Routes
     Item 2009 2010 2011
         
一、运输线路里程        Length of Transport Routes    
    铁路正线延展里程   (公里)    Extension Length of the Trunk Lines           (km) 6620 8783 8792
      # 营业里程    Railways in Operation 3770 4445 4449
    公路通车里程       (公里) Total Length of Highways                            (km) 144109 147461 151986
    内河航道里程       (公里) Navigable Inland Waterways                        (km) 1066 1066 1066
      # 机动船航道    Motor Vessels 558 558 558
    民航通航里程       (公里) Total Civil Aviation Routes                         (km) 587904 742375 898628
      # 不重复里程    Unique Mileage 446272 632458 774473
二、运输线路质量 Quality of Transport Routes  
    铁路营业里程       (公里) Length of Railways in Operation                  (km) 3770 4445 4449
      # 复线里程    Double-Tracking Length 1344 2427 2438
        复线里程比重     (%)    Proportion                                                    (%) 35.6 54.6 54.8
    公路线路里程       (公里) Length of Highways                                      (km) 144109 147461 151986
      # 等级公路    Expressway and Class I to IV Highways 128487 134498 139453
        等级公路比重     (%)    Proportion                                                    (%) 89.2 91.2 91.8
    内河航道里程       (公里) Length of Navigable Inland Waterways        (km) 1066 1066 1066
      # 水深一米以上    Depth of Water Above 1 m 558 558 558
        水深一米以上比重 (%)    Proportion                                                    (%) 50.7 50.7 50.7
三、运输网密度 Transport Density                            
  1.铁  Railways  
    省内营业里程       (公里)    Length of Province Railways in Operation(km) 3282 3966 3970
          (公里/平方公里)    Density                                            (km/sq.km) 0.016 0.019 0.019
  2.公  Highways  
    线路长度           (公里)    Length of Routes                                        (km) 144109 147461 151986
          (公里/平方公里)    Density                                            (km/sq.km) 0.700 0.717 0.739
  3.水  Waterways  
    通航里程           (公里)    Length of Waterways in Operation            (km) 1066 1066 1066
          (公里/平方公里)    Density                                            (km/sq.km) 0.005 0.005 0.005
  4.民  Civil Aviation  
    通航里程           (公里)    Length of Civil Aviation in Operation       (km) 587904 742375 898628
          (公里/平方公里)    Density                                            (km/sq.km) 2.857 3.607 4.367
         
注:1.铁路线路为中央在陕铁路局管线路;民航通航里程为陕西民航飞机飞行航线里程。
    2.铁路线路里程含神华神朔铁路有限责任公司专用铁路线路。
    3.公路通车里程和公路线路里程从2006年起按新口径统计。
a) The transport routes are managed by the railway bureau in Shaanxi; Total civil aviation routes is the Shaanxi civil aviation's routes.
b) Length of railways includes dedicated railway line in Shenhuashenshuo Railway Co., Ltd.
c) Length of Highways are compiled under a new system since 2006.