{
  "url": "https://openlegislation.uk/eu-directive-2015-996/annex/appendix-G",
  "json_url": "https://openlegislation.uk/eu-directive-2015-996/annex/appendix-G.json",
  "legislation": "eudr/2015/996",
  "legislation_title": "Commission Directive (EU) 2015/996 of 19 May 2015 establishing common noise assessment methods according to Directive 2002/49/EC of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-directive-2015-996",
  "path": "annex/appendix/G",
  "kind": "appendix",
  "number": "G",
  "heading": "Database for railway source",
  "text": "This appendix presents the database for most of the existing railway noise sources to be used to calculate railway noise following the method described in 2.3 Railway noise.\nTable G-1\nCoefficients Lr,TR,i and Lr,VEH,i for rail and wheel roughness\nWavelength\nLr,VEH,i\nMin\nMax\nCast iron tread brake\nComposite brake\nDisk brake\n1 000 mm\n– 15,0\n25,0\n2,2\n– 4,0\n– 5,9\n800 mm\n– 15,0\n25,0\n2,2\n– 4,0\n– 5,9\n630 mm\n– 15,0\n25,0\n2,2\n– 4,0\n– 5,9\n500 mm\n– 15,0\n25,0\n2,2\n– 4,0\n– 5,9\n400 mm\n– 15,0\n25,0\n2,2\n– 4,0\n– 5,9\n315 mm\n– 15,0\n25,0\n2,2\n– 4,0\n– 5,9\n250 mm\n– 15,0\n25,0\n2,2\n– 4,0\n2,3\n200 mm\n– 15,0\n25,0\n2,2\n– 4,0\n2,8\n160 mm\n– 15,0\n25,0\n2,4\n– 4,0\n2,6\n120 mm\n– 15,0\n25,0\n0,6\n– 4,0\n1,2\n100 mm\n– 15,0\n25,0\n2,6\n– 4,0\n2,1\n80 mm\n– 15,0\n25,0\n5,8\n– 4,3\n0,9\n63 mm\n– 15,0\n25,0\n8,8\n– 4,6\n– 0,3\n50 mm\n– 15,0\n25,0\n11,1\n– 4,9\n– 1,6\n40 mm\n– 15,0\n25,0\n11,0\n– 5,2\n– 2,9\n31,5 mm\n– 15,0\n25,0\n9,8\n– 6,3\n– 4,9\n25 mm\n– 15,0\n25,0\n7,5\n– 6,8\n– 7,0\n20 mm\n– 15,0\n25,0\n5,1\n– 7,2\n– 8,6\n16 mm\n– 15,0\n25,0\n3,0\n– 7,3\n– 9,3\n12 mm\n– 15,0\n25,0\n1,3\n– 7,3\n– 9,5\n10 mm\n– 15,0\n25,0\n0,2\n– 7,1\n– 10,1\n8 mm\n– 15,0\n25,0\n– 0,7\n– 6,9\n– 10,3\n6,3 mm\n– 15,0\n25,0\n– 1,2\n– 6,7\n– 10,3\n5 mm\n– 15,0\n25,0\n– 1,0\n– 6,0\n– 10,8\n4 mm\n– 15,0\n25,0\n0,3\n– 3,7\n– 10,9\n3,2 mm\n– 15,0\n25,0\n0,2\n– 2,4\n– 9,5\n2,5 mm\n– 15,0\n25,0\n1,3\n– 2,6\n– 9,5\n2 mm\n– 15,0\n25,0\n3,1\n– 2,5\n– 9,5\n1,6 mm\n– 15,0\n25,0\n3,1\n– 2,5\n– 9,5\n1,2 mm\n– 15,0\n25,0\n3,1\n– 2,5\n– 9,5\n1 mm\n– 15,0\n25,0\n3,1\n– 2,5\n– 9,5\n0,8 mm\n– 15,0\n25,0\n3,1\n– 2,5\n– 9,5\nWavelength\nLr,VEH,i\nMin\nMax\nEN ISO 3095:2013(Well maintained and very smooth)\nAverage network(Normally maintained smooth)\n1 000 mm\n– 15,0\n22,0\n17,1\n11,0\n800 mm\n– 15,0\n22,0\n17,1\n11,0\n630 mm\n– 15,0\n22,0\n17,1\n11,0\n500 mm\n– 15,0\n22,0\n17,1\n11,0\n400 mm\n– 15,0\n22,0\n17,1\n11,0\n315 mm\n– 15,0\n22,0\n15,0\n10,0\n250 mm\n– 15,0\n22,0\n13,0\n9,0\n200 mm\n– 15,0\n22,0\n11,0\n8,0\n160 mm\n– 15,0\n22,0\n9,0\n7,0\n120 mm\n– 15,0\n22,0\n7,0\n6,0\n100 mm\n– 15,0\n22,0\n4,9\n5,0\n80 mm\n– 15,0\n22,0\n2,9\n4,0\n63 mm\n– 15,0\n22,0\n0,9\n3,0\n50 mm\n– 15,0\n22,0\n– 1,1\n2,0\n40 mm\n– 15,0\n22,0\n– 3,2\n1,0\n31,5 mm\n– 15,0\n22,0\n– 5,0\n0,0\n25 mm\n– 15,0\n22,0\n– 5,6\n– 1,0\n20 mm\n– 15,0\n22,0\n– 6,2\n– 2,0\n16 mm\n– 15,0\n22,0\n– 6,8\n– 3,0\n12 mm\n– 15,0\n22,0\n– 7,4\n– 4,0\n10 mm\n– 15,0\n22,0\n– 8,0\n– 5,0\n8 mm\n– 15,0\n22,0\n– 8,6\n– 6,0\n6,3 mm\n– 15,0\n22,0\n– 9,2\n– 7,0\n5 mm\n– 15,0\n22,0\n– 9,8\n– 8,0\n4 mm\n– 15,0\n22,0\n– 10,4\n– 9,0\n3,2 mm\n– 15,0\n22,0\n– 11,0\n– 10,0\n2,5 mm\n– 15,0\n22,0\n– 11,6\n– 11,0\n2 mm\n– 15,0\n22,0\n– 12,2\n– 12,0\n1,6 mm\n– 15,0\n22,0\n– 12,8\n– 13,0\n1,2 mm\n– 15,0\n22,0\n– 13,4\n– 14,0\n1 mm\n– 15,0\n22,0\n– 14,0\n– 15,0\n0,8 mm\n– 15,0\n22,0\n– 14,0\n– 15,0\nTable G-2\nCoefficients A3,i for the contact filter\nWavelength\nA3,i\nMin\nMax\nAxle load 50 kN — wheel diameter 360 mm\nAxle load 50 kN — wheel diameter 680 mm\nAxle load 25 kN — wheel diameter 920 mm\nAxle load 50 kN — wheel diameter 920 mm\nAxle load 100 kN — wheel diameter 920 mm\n1 000 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n800 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n630 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n500 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n400 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n315 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n250 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n200 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n160 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n120 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n100 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n0,0\n0,0\n80 mm\n– 30,0\n0,0\n0,0\n0,0\n0,0\n– 0,2\n– 0,2\n63 mm\n– 30,0\n0,0\n0,0\n– 0,2\n– 0,2\n– 0,5\n– 0,6\n50 mm\n– 30,0\n0,0\n– 0,2\n– 0,4\n– 0,5\n– 0,9\n– 1,3\n40 mm\n– 30,0\n0,0\n– 0,5\n– 0,7\n– 0,9\n– 1,6\n– 2,2\n31,5 mm\n– 30,0\n0,0\n– 1,2\n– 1,5\n– 1,6\n– 2,5\n– 3,7\n25 mm\n– 30,0\n0,0\n– 2,0\n– 2,8\n– 2,5\n– 3,8\n– 5,8\n20 mm\n– 30,0\n0,0\n– 3,0\n– 4,5\n– 3,8\n– 5,8\n– 9,0\n16 mm\n– 30,0\n0,0\n– 4,3\n– 7,0\n– 5,8\n– 8,5\n– 11,5\n12 mm\n– 30,0\n0,0\n– 6,0\n– 10,3\n– 8,5\n– 11,4\n– 12,5\n10 mm\n– 30,0\n0,0\n– 8,4\n– 12,0\n– 12,0\n– 12,0\n– 12,0\n8 mm\n– 30,0\n0,0\n– 12,0\n– 12,5\n– 12,6\n– 13,5\n– 14,0\n6,3 mm\n– 30,0\n0,0\n– 11,5\n– 13,5\n– 13,5\n– 14,5\n– 15,0\n5 mm\n– 30,0\n0,0\n– 12,5\n– 16,0\n– 14,5\n– 16,0\n– 17,0\n4 mm\n– 30,0\n0,0\n– 13,9\n– 16,0\n– 16,0\n– 16,5\n– 18,4\n3,2 mm\n– 30,0\n0,0\n– 14,7\n– 16,5\n– 16,5\n– 17,7\n– 19,5\n2,5 mm\n– 30,0\n0,0\n– 15,6\n– 17,0\n– 17,7\n– 18,6\n– 20,5\n2 mm\n– 30,0\n0,0\n– 16,6\n– 18,0\n– 18,6\n– 19,6\n– 21,5\n1,6 mm\n– 30,0\n0,0\n– 17,6\n– 19,0\n– 19,6\n– 20,6\n– 22,4\n1,2 mm\n– 30,0\n0,0\n– 18,6\n– 20,2\n– 20,6\n– 21,6\n– 23,5\n1 mm\n– 30,0\n0,0\n– 19,6\n– 21,2\n– 21,6\n– 22,6\n– 24,5\n0,8 mm\n– 30,0\n0,0\n– 20,6\n– 22,2\n– 22,6\n– 23,6\n– 25,4\nTable G-3\nCoefficients LH,TR,i LH,VEH,i and LH,VEH,SUP for transfer functions\n(Values are expressed in Sound Power Level per axle)\nFrequency\nLH,TR,i\nMin\nMax\nMono-block sleeper on soft rail pad\nMono-block sleeper on medium stiffness rail pad\nMono-block on hard rail pad\nBi-block sleeper on soft rail pad\nBi-block sleeper on medium stiffness rail pad\nBi-block sleeper on hard rail pad\nWooden sleepers\n50 Hz\n0,0\n140,0\n53,3\n50,9\n50,1\n50,9\n50,0\n49,8\n44,0\n63 Hz\n0,0\n140,0\n59,3\n57,8\n57,2\n56,6\n56,1\n55,9\n51,0\n80 Hz\n0,0\n140,0\n67,2\n66,5\n66,3\n64,3\n64,1\n64,0\n59,9\n100 Hz\n0,0\n140,0\n75,9\n76,8\n77,2\n72,3\n72,5\n72,5\n70,8\n125 Hz\n0,0\n140,0\n79,2\n80,9\n81,6\n75,4\n75,8\n75,9\n75,1\n160 Hz\n0,0\n140,0\n81,8\n83,3\n84,0\n78,5\n79,1\n79,4\n76,9\n200 Hz\n0,0\n140,0\n84,2\n85,8\n86,5\n81,8\n83,6\n84,4\n77,2\n250 Hz\n0,0\n140,0\n88,6\n90,0\n90,7\n86,6\n88,7\n89,7\n80,9\n316 Hz\n0,0\n140,0\n91,0\n91,6\n92,1\n89,1\n89,6\n90,2\n85,3\n400 Hz\n0,0\n140,0\n94,5\n93,9\n94,3\n91,9\n89,7\n90,2\n92,5\n500 Hz\n0,0\n140,0\n97,0\n95,6\n95,8\n94,5\n90,6\n90,8\n97,0\n630 Hz\n0,0\n140,0\n99,2\n97,4\n97,0\n97,5\n93,8\n93,1\n98,7\n800 Hz\n0,0\n140,0\n104,0\n101,7\n100,3\n104,0\n100,6\n97,9\n102,8\n1 000 Hz\n0,0\n140,0\n107,1\n104,4\n102,5\n107,9\n104,7\n101,1\n105,4\n1 250 Hz\n0,0\n140,0\n108,3\n106,0\n104,2\n108,9\n106,3\n103,4\n106,5\n1 600 Hz\n0,0\n140,0\n108,5\n106,8\n105,4\n108,8\n107,1\n105,4\n106,4\n2 000 Hz\n0,0\n140,0\n109,7\n108,3\n107,1\n109,8\n108,8\n107,7\n107,5\n2 500 Hz\n0,0\n140,0\n110,0\n108,9\n107,9\n110,2\n109,3\n108,5\n108,1\n3 160 Hz\n0,0\n140,0\n110,0\n109,1\n108,2\n110,1\n109,4\n108,7\n108,4\n4 000 Hz\n0,0\n140,0\n110,0\n109,4\n108,7\n110,1\n109,7\n109,1\n108,7\n5 000 Hz\n0,0\n140,0\n110,3\n109,9\n109,4\n110,3\n110,0\n109,6\n109,1\n6 350 Hz\n0,0\n140,0\n110,0\n109,9\n109,7\n109,9\n109,8\n109,6\n109,1\n8 000 Hz\n0,0\n140,0\n110,1\n110,3\n110,4\n110,0\n110,0\n109,9\n109,5\n10 000 Hz\n0,0\n140,0\n110,6\n111,0\n111,4\n110,4\n110,5\n110,6\n110,2\nFrequency\nLH,VEH,i\nMin\nMax\nWheel with diameter 920 mm, no measure\nWheel with diameter 840 mm, no measure\nWheel with diameter 680 mm, no measure\nWheel with diameter 1 200 mm, no measure\n50 Hz\n60,0\n140,0\n75,4\n75,4\n75,4\n75,4\n63 Hz\n60,0\n140,0\n77,3\n77,3\n77,3\n77,3\n80 Hz\n60,0\n140,0\n81,1\n81,1\n81,1\n81,1\n100 Hz\n60,0\n140,0\n84,1\n84,1\n84,1\n84,1\n125 Hz\n60,0\n140,0\n83,3\n82,8\n82,8\n82,8\n160 Hz\n60,0\n140,0\n84,3\n83,3\n83,3\n83,3\n200 Hz\n60,0\n140,0\n86,0\n84,1\n83,9\n84,5\n250 Hz\n60,0\n140,0\n90,1\n86,9\n86,3\n90,4\n316 Hz\n60,0\n140,0\n89,8\n87,9\n88,0\n90,4\n400 Hz\n60,0\n140,0\n89,0\n89,9\n92,2\n89,9\n500 Hz\n60,0\n140,0\n88,8\n90,9\n93,9\n90,1\n630 Hz\n60,0\n140,0\n90,4\n91,5\n92,5\n91,3\n800 Hz\n60,0\n140,0\n92,4\n91,5\n90,9\n91,5\n1 000 Hz\n60,0\n140,0\n94,9\n93,0\n90,4\n93,6\n1 250 Hz\n60,0\n140,0\n100,4\n98,7\n93,2\n100,5\n1 600 Hz\n60,0\n140,0\n104,6\n101,6\n93,5\n104,6\n2 000 Hz\n60,0\n140,0\n109,6\n107,6\n99,6\n115,6\n2 500 Hz\n60,0\n140,0\n114,9\n111,9\n104,9\n115,9\n3 160 Hz\n60,0\n140,0\n115,0\n114,5\n108,0\n116,0\n4 000 Hz\n60,0\n140,0\n115,0\n114,5\n111,0\n116,0\n5 000 Hz\n60,0\n140,0\n115,5\n115,0\n111,5\n116,5\n6 350 Hz\n60,0\n140,0\n115,6\n115,1\n111,6\n116,6\n8 000 Hz\n60,0\n140,0\n116,0\n115,5\n112,0\n117,0\n10 000 Hz\n60,0\n140,0\n116,7\n116,2\n112,7\n117,7\nFrequency\nLH,VEH,SUP,i\nMin\nMax\nEU standard\n50 Hz\n0,0\n140,0\n0,0\n63 Hz\n0,0\n140,0\n0,0\n80 Hz\n0,0\n140,0\n0,0\n100 Hz\n0,0\n140,0\n0,0\n125 Hz\n0,0\n140,0\n0,0\n160 Hz\n0,0\n140,0\n0,0\n200 Hz\n0,0\n140,0\n0,0\n250 Hz\n0,0\n140,0\n0,0\n316 Hz\n0,0\n140,0\n0,0\n400 Hz\n0,0\n140,0\n0,0\n500 Hz\n0,0\n140,0\n0,0\n630 Hz\n0,0\n140,0\n0,0\n800 Hz\n0,0\n140,0\n0,0\n1 000 Hz\n0,0\n140,0\n0,0\n1 250 Hz\n0,0\n140,0\n0,0\n1 600 Hz\n0,0\n140,0\n0,0\n2 000 Hz\n0,0\n140,0\n0,0\n2 500 Hz\n0,0\n140,0\n0,0\n3 160 Hz\n0,0\n140,0\n0,0\n4 000 Hz\n0,0\n140,0\n0,0\n5 000 Hz\n0,0\n140,0\n0,0\n6 350 Hz\n0,0\n140,0\n0,0\n8 000 Hz\n0,0\n140,0\n0,0\n10 000 Hz\n0,0\n140,0\n0,0\nTable G-4\nCoefficients LR,IMPACT,i for impact noise\nWavelength\nLR,IMPACT,i\nMin\nMax\nSingle switch/joint/crossing/100 m\n1 000 mm\n– 40\n30\n22,4\n800 mm\n– 40\n30\n22,4\n630 mm\n– 40\n30\n22,4\n500 mm\n– 40\n30\n23,8\n400 mm\n– 40\n30\n24,7\n315 mm\n– 40\n30\n24,7\n250 mm\n– 40\n30\n23,4\n200 mm\n– 40\n30\n21,7\n160 mm\n– 40\n30\n20,2\n120 mm\n– 40\n30\n20,4\n100 mm\n– 40\n30\n20,8\n80 mm\n– 40\n30\n20,9\n63 mm\n– 40\n30\n19,8\n50 mm\n– 40\n30\n18\n40 mm\n– 40\n30\n16\n31,5 mm\n– 40\n30\n13\n25 mm\n– 40\n30\n10\n20 mm\n– 40\n30\n6\n16 mm\n– 40\n30\n1\n12 mm\n– 40\n30\n– 4\n10 mm\n– 40\n30\n– 11\n8 mm\n– 40\n30\n– 16,5\n6,3 mm\n– 40\n30\n– 18,5\n5 mm\n– 40\n30\n– 21\n4 mm\n– 40\n30\n– 22,5\n3,2 mm\n– 40\n30\n– 24,7\n2,5 mm\n– 40\n30\n– 26,6\n2 mm\n– 40\n30\n– 28,6\n1,6 mm\n– 40\n30\n– 30,6\n1,2 mm\n– 40\n30\n– 32,6\n1 mm\n– 40\n30\n– 34\n0,8 mm\n– 40\n30\n– 34\nTable G-5\nCoefficients LW,0,idling for traction noise\n(Values are expressed in Sound Power Level per vehicle)\nFrequency\nLW,0,idling\nMin\nMax\nDiesel locomotive (c. 800 kW)\nDiesel locomotive (c. 2 200 kW)\nDiesel multiple unit\nElectric locomotive\nElectric multiple unit\nSourceA\nSourceB\nSourceA\nSourceB\nSourceA\nSourceB\nSourceA\nSourceB\nSourceA\nSourceB\nSourceA\nSourceB\nSourceA\nSourceB\n50 Hz\n0,0\n0,0\n140,0\n140,0\n98,9\n103,2\n99,4\n103,7\n82,6\n86,9\n87,9\n92,2\n80,5\n84,8\n63 Hz\n0,0\n0,0\n140,0\n140,0\n94,8\n100,0\n107,3\n112,5\n82,5\n87,7\n90,8\n96,0\n81,4\n86,6\n80 Hz\n0,0\n0,0\n140,0\n140,0\n92,6\n95,5\n103,1\n106,0\n89,3\n92,2\n91,6\n94,5\n80,5\n83,4\n100 Hz\n0,0\n0,0\n140,0\n140,0\n94,6\n94,0\n102,1\n101,5\n90,3\n89,7\n94,6\n94,0\n82,2\n81,6\n125 Hz\n0,0\n0,0\n140,0\n140,0\n92,8\n93,3\n99,3\n99,8\n93,5\n94,0\n94,8\n95,3\n80,0\n80,5\n160 Hz\n0,0\n0,0\n140,0\n140,0\n92,8\n93,6\n99,3\n100,1\n99,5\n100,3\n96,8\n97,6\n79,7\n80,5\n200 Hz\n0,0\n0,0\n140,0\n140,0\n93,0\n92,9\n99,5\n99,4\n98,7\n98,6\n104,0\n103,9\n79,6\n79,5\n250 Hz\n0,0\n0,0\n140,0\n140,0\n94,8\n92,7\n101,3\n99,2\n95,5\n93,4\n100,8\n98,7\n96,4\n94,3\n316 Hz\n0,0\n0,0\n140,0\n140,0\n94,6\n92,4\n101,1\n98,9\n90,3\n88,1\n99,6\n97,4\n80,5\n78,3\n400 Hz\n0,0\n0,0\n140,0\n140,0\n95,7\n92,8\n102,2\n99,3\n91,4\n88,5\n101,7\n98,8\n81,3\n78,4\n500 Hz\n0,0\n0,0\n140,0\n140,0\n95,6\n92,8\n102,1\n99,3\n91,3\n88,5\n98,6\n95,8\n97,2\n94,4\n630 Hz\n0,0\n0,0\n140,0\n140,0\n98,6\n96,8\n101,1\n99,3\n90,3\n88,5\n95,6\n93,8\n79,5\n77,7\n800 Hz\n0,0\n0,0\n140,0\n140,0\n95,2\n92,7\n101,7\n99,2\n90,9\n88,4\n95,2\n92,7\n79,8\n77,3\n1 000 Hz\n0,0\n0,0\n140,0\n140,0\n95,1\n93,0\n101,6\n99,5\n91,8\n89,7\n96,1\n94,0\n86,7\n84,6\n1 250 Hz\n0,0\n0,0\n140,0\n140,0\n95,1\n92,9\n99,3\n97,1\n92,8\n90,6\n92,1\n89,9\n81,7\n79,5\n1 600 Hz\n0,0\n0,0\n140,0\n140,0\n94,1\n93,1\n96,0\n95,0\n92,8\n91,8\n89,1\n88,1\n82,7\n81,7\n2 000 Hz\n0,0\n0,0\n140,0\n140,0\n94,1\n93,2\n93,7\n92,8\n90,8\n89,9\n87,1\n86,2\n80,7\n79,8\n2 500 Hz\n0,0\n0,0\n140,0\n140,0\n99,4\n98,3\n101,9\n100,8\n88,1\n87,0\n85,4\n84,3\n78,0\n76,9\n3 160 Hz\n0,0\n0,0\n140,0\n140,0\n92,5\n91,5\n89,5\n88,5\n85,2\n84,2\n83,5\n82,5\n75,1\n74,1\n4 000 Hz\n0,0\n0,0\n140,0\n140,0\n89,5\n88,7\n87,1\n86,3\n83,2\n82,4\n81,5\n80,7\n72,1\n71,3\n5 000 Hz\n0,0\n0,0\n140,0\n140,0\n87,0\n86,0\n90,5\n89,5\n81,7\n80,7\n80,0\n79,0\n69,6\n68,6\n6 350 Hz\n0,0\n0,0\n140,0\n140,0\n84,1\n83,4\n31,4\n30,7\n78,8\n78,1\n78,1\n77,4\n66,7\n66,0\n8 000 Hz\n0,0\n0,0\n140,0\n140,0\n81,5\n80,9\n81,2\n80,6\n76,2\n75,6\n76,5\n75,9\n64,1\n63,5\n10 000 Hz\n0,0\n0,0\n140,0\n140,0\n79,2\n78,7\n79,6\n79,1\n73,9\n73,4\n75,2\n74,7\n61,8\n61,3\nTable G-6\nCoefficients LW,0,1 , LW,0,2 , α1 , α2 for aerodynamic noise\n(Values are expressed in Sound Power Level per vehicle (for a vehicle length of 20 m))\nFrequency\nMin\nMax\nAerodynamic noise given at 300 km/h\nα1\nα2\nα1\nα2\nα1\nα2\n0\n0\n100\n100\n50\n50\nLW,0,1\nLW,0,2\nLW,0,1\nLW,0,2\nLW,0,1\nLW,0,2\n50 Hz\n0\n0\n140\n140\n112,6\n36,7\n63 Hz\n0\n0\n140\n140\n113,2\n38,5\n80 Hz\n0\n0\n140\n140\n115,7\n39,0\n100 Hz\n0\n0\n140\n140\n117,4\n37,5\n125 Hz\n0\n0\n140\n140\n115,3\n36,8\n160 Hz\n0\n0\n140\n140\n115,0\n37,1\n200 Hz\n0\n0\n140\n140\n114,9\n36,4\n250 Hz\n0\n0\n140\n140\n116,4\n36,2\n316 Hz\n0\n0\n140\n140\n115,9\n35,9\n400 Hz\n0\n0\n140\n140\n116,3\n36,3\n500 Hz\n0\n0\n140\n140\n116,2\n36,3\n630 Hz\n0\n0\n140\n140\n115,2\n36,3\n800 Hz\n0\n0\n140\n140\n115,8\n36,2\n1 000 Hz\n0\n0\n140\n140\n115,7\n36,5\n1 250 Hz\n0\n0\n140\n140\n115,7\n36,4\n1 600 Hz\n0\n0\n140\n140\n114,7\n105,2\n2 000 Hz\n0\n0\n140\n140\n114,7\n110,3\n2 500 Hz\n0\n0\n140\n140\n115,0\n110,4\n3 160 Hz\n0\n0\n140\n140\n114,5\n105,6\n4 000 Hz\n0\n0\n140\n140\n113,1\n37,2\n5 000 Hz\n0\n0\n140\n140\n112,1\n37,5\n6 350 Hz\n0\n0\n140\n140\n110,6\n37,9\n8 000 Hz\n0\n0\n140\n140\n109,6\n38,4\n10 000 Hz\n0\n0\n140\n140\n108,8\n39,2\nTable G-7\nCoefficients Cbridge for structural radiation\nCbridge\nmin\nmax\nPredominantly concrete or masonry bridges with any trackform\nPredominantly steel bridges with ballasted track\n0\n9\n1\n4",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/2015/996/annex/appendix/G",
    "retrieved_at": "2026-11-01T15:21:38.862218+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}