Skip to contentU.S. Department of Transportation, Federal Highway Administration FHWA HomeFeedback
Environment
Previous Contents Next

Geometries with a Barrier at 10 m

Table 89. 8 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Hard ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2046.246.245.548.351.554.456.858.960.762.463.865.166.467.5
3045.245.244.547.350.653.455.957.959.861.462.964.265.466.6
4044.244.243.546.349.652.454.95758.860.461.963.264.565.6
5043.443.442.745.548.851.754.156.258.159.761.262.563.764.9
6042.842.842.14548.251.153.555.657.559.160.661.963.264.3
7042.342.341.644.547.850.653.155.25758.660.161.462.763.8
8041.941.941.244.147.350.252.654.756.658.259.76162.263.4
9041.541.540.843.746.949.852.254.356.257.859.360.661.863
10041.241.240.543.346.649.451.95455.857.458.960.261.462.6
11040.840.840.14346.249.151.553.655.457.158.559.961.162.2
12040.540.539.842.645.948.851.253.355.156.758.259.560.861.9
13040.240.239.542.345.648.450.95354.856.457.959.260.461.6
14039.939.939.24245.348.250.652.754.556.157.658.960.161.3
15039.639.638.941.74547.950.352.454.255.857.358.659.861
16039.439.438.641.544.747.65052.153.955.65758.359.660.7
17039.139.138.441.244.547.349.751.853.755.356.758.159.360.4
18038.838.838.140.944.247.149.551.653.45556.557.85960.2
19038.638.637.940.74446.849.351.353.254.856.357.658.859.9
20038.438.437.740.543.746.64951.152.954.65657.358.659.7
21038.138.137.440.243.546.448.850.952.754.355.857.158.359.5
22037.937.937.24043.346.148.650.752.554.155.656.958.159.2
23037.737.73739.843.145.948.450.452.353.955.456.757.959
24037.537.536.839.642.945.748.250.252.153.755.156.557.758.8
25037.337.336.639.442.745.5485051.953.55556.357.558.6
26037.137.136.439.242.545.347.849.951.753.354.856.157.358.4
27036.936.936.23942.345.147.649.751.553.154.655.957.158.2
28036.736.73638.842.14547.449.551.352.954.455.756.958.1
29036.636.635.838.741.944.847.249.351.152.854.255.556.857.9
30036.436.435.738.541.844.64749.15152.65455.456.657.7

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 90. 9 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Hard ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2045.345.344.647.450.753.65658.159.961.56364.365.566.7
3044.544.543.846.649.952.755.257.359.160.762.263.564.865.9
4043.543.542.845.648.951.854.256.358.159.861.262.663.864.9
5042.742.74244.848.15153.455.557.35960.461.86364.1
60424241.344.247.550.352.854.956.758.359.861.262.463.5
7041.541.540.843.746.949.852.354.456.257.859.360.661.963
8041.141.140.443.246.549.451.853.955.857.458.960.261.462.6
9040.740.74042.846.14951.453.555.45758.559.86162.2
10040.440.439.742.545.848.651.153.25556.658.159.460.761.8
110404039.342.145.448.350.752.854.656.357.759.160.361.4
12039.739.73941.845.14850.452.554.355.957.458.76061.1
13039.439.438.741.544.847.650.152.25455.657.158.459.760.8
14039.139.138.441.244.547.349.851.953.755.356.858.159.360.5
15038.838.838.140.944.247.149.551.653.45556.557.859.160.2
16038.538.537.840.743.946.849.251.353.154.856.257.658.859.9
17038.338.337.640.443.746.54951.152.954.55657.358.559.7
180383837.340.243.446.348.750.852.654.355.75758.359.4
19037.837.837.139.943.24648.550.652.45455.556.85859.2
20037.637.636.939.74345.848.250.352.253.855.256.657.858.9
21037.337.336.639.542.745.64850.151.953.65556.357.658.7
22037.137.136.439.242.545.447.849.951.753.354.856.157.458.5
23036.936.936.23942.345.247.649.751.553.154.655.957.158.3
24036.736.73638.842.14547.449.551.352.954.455.756.958.1
25036.536.535.838.641.944.847.249.351.152.754.255.556.757.9
26036.336.335.638.441.744.64749.150.952.55455.356.657.7
27036.136.135.438.341.544.446.848.950.752.453.855.156.457.5
280363635.338.141.344.246.648.750.552.253.65556.257.3
29035.835.835.137.941.24446.548.550.45253.554.85657.1
30035.635.634.937.74143.946.348.450.251.853.354.655.857

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 91. 10 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Hard ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2044.844.84446.950.15355.457.559.360.962.463.764.966
3043.943.943.24649.352.154.656.758.560.161.662.964.165.3
4042.942.942.24548.351.153.655.757.559.160.661.963.264.3
5042.142.141.444.247.550.352.854.956.758.359.861.162.463.5
6041.441.440.743.646.849.752.154.256.157.759.260.561.762.9
7040.940.940.24346.349.251.653.755.557.258.66061.262.3
8040.440.439.742.545.848.751.153.255.156.758.259.560.761.9
90404039.342.145.448.350.752.854.656.357.859.160.361.5
10039.639.638.941.84547.950.352.454.355.957.458.759.961.1
11039.339.338.641.444.747.65052.153.955.65758.459.660.7
120393938.341.144.447.249.751.853.655.256.75859.360.4
13038.738.73840.844.146.949.451.553.354.956.457.758.960.1
14038.438.437.740.543.846.649.151.25354.656.157.458.659.8
15038.138.137.440.243.546.448.850.952.754.355.857.158.459.5
16037.837.837.14043.246.148.550.652.454.155.556.958.159.2
17037.637.636.939.74345.848.350.452.253.855.356.657.859
18037.337.336.639.542.745.64850.151.953.65556.457.658.7
19037.137.136.439.242.545.447.849.951.753.354.856.157.358.5
20036.936.936.23942.345.147.649.651.553.154.655.957.158.2
21036.736.735.938.84244.947.349.451.352.954.355.756.958
22036.436.435.738.641.844.747.149.25152.754.155.556.757.8
23036.236.235.538.441.644.546.94950.852.553.955.356.557.6
240363635.338.241.444.346.748.850.652.353.75556.357.4
25035.835.835.13841.244.146.548.650.452.153.554.956.157.2
26035.735.734.937.84143.946.348.450.251.953.354.755.957
27035.535.534.837.640.943.746.148.250.151.753.154.555.756.8
28035.335.334.637.440.743.5464849.951.55354.355.556.6
29035.135.134.437.240.543.445.847.949.751.352.854.155.356.5
30034.934.934.237.140.343.245.647.749.551.252.65455.256.3

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 92. 2 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Soft ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2052.952.952.25558.261.163.565.567.46970.471.772.974
3050.850.850.152.956.25961.463.565.46768.569.87172.1
4049.349.348.651.554.757.66062.16465.667.168.469.770.8
5048.148.147.450.353.656.458.96162.864.56667.368.569.7
6047.147.146.449.352.655.457.96061.963.56566.367.668.7
7046.246.245.648.451.754.65759.26162.764.165.566.767.9
8045.545.544.847.75153.856.358.460.361.963.464.86667.2
9044.844.844.14750.353.255.657.859.661.362.864.165.466.5
10044.244.243.546.449.752.65557.25960.762.263.564.866
11043.743.74345.949.25254.556.658.560.261.76364.365.4
12043.243.242.545.448.751.65456.25859.761.262.663.865
13042.742.742.144.948.251.153.655.757.659.360.862.163.464.5
14042.342.341.744.547.850.753.255.357.258.960.461.76364.2
150424241.344.247.550.452.85556.858.56061.462.663.8
16041.641.64143.847.15052.554.656.558.259.76162.363.5
17041.341.340.643.546.849.752.254.356.257.859.360.76263.1
180414140.343.246.549.451.95455.957.659.160.461.762.8
19040.740.740.142.946.249.151.653.755.657.358.860.161.462.6
20040.540.539.842.74648.951.353.555.35758.559.961.162.3
21040.240.239.542.445.748.651.153.255.156.858.359.660.962.1
220404039.342.245.548.450.95354.956.55859.460.761.8
23039.739.739.14245.348.250.652.854.656.357.859.260.461.6
24039.539.538.941.745.14850.452.654.456.157.65960.261.4
25039.339.338.741.544.947.850.252.454.255.957.458.86061.2
26039.139.138.541.344.747.65052.25455.757.258.659.861
27038.938.938.341.244.547.449.85253.955.55758.459.760.8
28038.838.838.14144.347.249.751.853.755.356.858.259.560.6
29038.638.637.940.844.14749.551.653.555.256.75859.360.5
30038.438.437.840.64446.949.351.553.35556.557.959.160.3

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 93. 3 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Soft ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2050.950.950.25356.359.161.563.665.46768.569.87172.1
3048.948.948.25154.357.159.661.763.565.166.66869.270.3
4047.647.646.949.75355.958.360.462.363.965.466.86869.1
5046.646.645.948.75254.957.359.461.362.964.465.86768.2
6045.745.74547.851.15456.558.660.462.163.664.966.267.3
7044.944.944.24750.353.255.757.859.761.362.864.265.466.6
8044.244.243.546.449.752.55557.15960.662.163.564.765.9
9043.643.642.945.74951.954.456.558.46061.562.964.165.3
100434342.345.248.551.453.85657.859.56162.363.664.8
11042.542.541.844.74850.953.355.557.35960.561.863.164.3
120424241.444.247.550.452.95556.958.56061.462.663.8
13041.641.640.943.847.15052.554.656.558.159.66162.263.4
14041.241.240.543.446.749.652.154.256.157.759.260.661.963
15040.840.840.24346.449.351.753.955.757.458.960.361.562.7
16040.540.539.942.74648.951.453.555.457.158.659.961.262.4
17040.240.239.542.445.748.651.153.255.156.858.359.660.962.1
18039.939.939.342.145.448.350.852.954.856.55859.360.661.8
19039.639.63941.945.248.150.552.754.556.257.759.160.361.5
20039.439.438.741.644.947.850.352.454.35657.558.860.161.3
21039.139.138.541.344.747.65052.25455.757.258.659.861
22038.938.938.241.144.447.349.851.953.855.55758.459.660.8
23038.738.73840.944.247.149.651.753.655.356.858.159.460.6
24038.538.537.840.74446.949.451.553.455.156.657.959.260.4
25038.338.337.640.543.846.749.251.353.254.956.457.75960.2
26038.138.137.440.343.646.54951.15354.756.257.558.860
27037.937.937.240.143.446.348.850.952.854.55657.458.659.8
28037.737.737.139.943.246.148.650.852.654.355.857.258.459.6
29037.537.536.939.843.14648.450.652.554.155.65758.359.4
30037.437.436.739.642.945.848.350.452.35455.556.858.159.3

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 94. 4 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Soft ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2049.649.648.851.754.957.860.262.364.165.767.268.569.770.8
3047.547.546.849.752.955.858.260.362.263.865.366.667.969
4046.346.345.648.451.754.657.159.26162.764.165.566.767.9
5045.345.344.647.550.853.756.158.260.161.763.264.665.867
6044.544.543.846.75052.855.357.459.360.962.463.86566.2
7043.843.843.145.949.252.154.656.758.560.261.76364.365.4
8043.143.142.445.348.651.553.95657.959.66162.463.764.8
9042.542.541.844.74850.953.355.557.35960.561.863.164.2
100424241.344.247.550.352.854.956.858.559.961.362.663.7
11041.541.540.843.74749.952.354.456.35859.560.862.163.2
120414140.443.246.549.451.95455.957.55960.461.662.8
13040.640.639.942.846.14951.553.655.557.158.66061.262.4
14040.240.239.642.445.748.651.153.255.156.858.359.660.962
15039.939.939.242.145.448.350.752.954.756.457.959.360.561.7
16039.539.538.941.74547.950.452.554.456.157.658.960.261.4
17039.239.238.641.444.747.650.152.254.155.857.358.659.961.1
18038.938.938.341.144.547.449.85253.855.55758.459.660.8
19038.738.73840.944.247.149.651.753.655.256.758.159.460.5
20038.438.437.740.643.946.849.351.453.35556.557.859.160.3
21038.238.237.540.443.746.649.151.253.154.756.257.658.960
22037.937.937.340.143.546.448.85152.854.55657.458.659.8
23037.737.73739.943.246.148.650.752.654.355.857.258.459.6
24037.537.536.839.74345.948.450.552.454.155.656.958.259.4
25037.337.336.639.542.845.748.250.352.253.955.456.75859.2
26037.137.136.439.342.645.54850.15253.755.256.657.859
27036.936.936.339.142.445.347.85051.853.55556.457.658.8
28036.736.736.138.942.345.247.649.851.653.354.856.257.558.6
29036.636.635.938.842.14547.549.651.553.154.75657.358.5
30036.436.435.738.641.944.847.349.451.35354.555.957.158.3

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 95. 5 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Soft ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2048.348.347.650.453.756.65961.162.964.56667.368.569.7
3046.446.445.748.651.954.757.259.361.162.764.265.566.867.9
4045.245.244.547.350.653.555.95859.961.56364.465.666.8
5044.244.243.546.449.752.65557.15960.662.163.564.765.9
6043.443.442.845.648.951.854.256.458.259.961.462.76465.1
7042.742.742.144.948.251.153.655.757.559.260.76263.364.5
8042.142.141.444.347.650.552.955.156.958.660.161.462.763.8
9041.541.540.943.74749.952.454.556.45859.560.962.163.3
100414140.343.246.549.451.95455.957.55960.461.662.8
11040.540.539.942.74648.951.453.555.45758.559.961.262.3
12040.140.139.442.345.648.55153.15556.658.159.560.761.9
13039.739.73941.945.248.150.652.754.656.257.759.160.361.5
14039.339.338.641.544.847.750.252.354.255.857.358.76061.1
150393938.341.244.547.449.85253.855.55758.459.660.8
16038.638.63840.844.14749.551.653.555.256.75859.360.5
17038.338.337.740.543.846.749.251.353.254.956.457.75960.2
180383837.440.243.546.448.95152.954.656.157.558.759.9
19037.837.837.14043.346.248.650.852.754.355.857.258.459.6
20037.537.536.839.74345.948.450.552.454.155.656.958.259.4
21037.337.336.639.542.845.748.250.352.253.855.356.75859.1
220373736.439.242.545.447.950.151.953.655.156.557.758.9
23036.836.836.13942.345.247.749.851.753.454.956.257.558.7
24036.636.635.938.842.14547.549.651.553.254.75657.358.5
25036.436.435.738.641.944.847.349.451.35354.555.857.158.3
26036.236.235.538.441.744.647.149.251.152.854.355.656.958.1
270363635.338.241.544.446.94950.952.654.155.556.757.9
28035.835.835.23841.444.346.748.950.752.453.955.356.557.7
29035.635.63537.941.244.146.648.750.652.253.755.156.457.5
30035.535.534.837.74143.946.448.550.452.153.654.956.257.4

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Table 96. 6 m barrier at 10 m offset; LAeq1h for 1000 motorcycles; Soft ground.

Vehicle Speed (km/h)
Receiver
Distance
(m)
0102030405060708090100110120130
100.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2047.147.146.449.352.555.457.859.961.763.464.866.267.468.5
3045.545.544.847.750.953.856.258.360.261.863.364.665.967
4044.344.343.646.449.752.65557.15960.662.163.464.765.8
5043.343.342.645.548.751.654.156.25859.761.262.563.864.9
6042.542.541.844.74850.953.355.457.35960.461.86364.2
7041.841.841.24447.350.252.754.856.658.359.861.162.463.6
8041.241.240.543.446.749.652.154.25657.759.260.561.863
9040.740.74042.846.24951.553.655.557.158.66061.362.4
10040.140.139.542.345.648.55153.15556.658.159.560.861.9
11039.739.73941.945.248.150.552.754.556.257.75960.361.5
12039.239.238.641.444.747.650.152.254.155.857.358.659.961
13038.838.838.24144.347.249.751.853.755.456.958.259.560.6
14038.538.537.840.74446.949.351.553.35556.557.959.160.3
15038.138.137.440.343.646.54951.15354.656.157.558.859.9
16037.837.837.14043.346.248.750.852.754.355.857.258.559.6
17037.537.536.839.74345.948.450.552.45455.556.958.259.3
18037.237.236.539.442.745.648.150.252.153.755.256.657.959
19036.936.936.339.142.445.347.849.951.853.55556.357.658.8
20036.736.73638.942.245.147.649.751.653.254.756.157.458.5
21036.436.435.838.641.944.847.349.451.35354.555.957.158.3
22036.236.235.538.441.744.647.149.251.152.754.355.656.958.1
230363635.338.241.544.446.94950.952.55455.456.757.8
24035.735.735.13841.344.246.648.850.752.353.855.256.557.6
25035.535.534.937.841.14446.448.650.452.153.65556.357.4
26035.335.334.737.640.943.846.248.450.351.953.454.856.157.2
27035.235.234.537.440.743.646.148.250.151.753.254.655.957
280353534.337.240.543.445.94849.951.653.154.455.756.9
29034.834.834.13740.343.245.747.849.751.452.954.355.556.7
30034.634.63436.840.243.145.547.749.551.252.754.155.456.5

*Note: 1 m = 3.281 ft, 1 km/h = 0.621 mph


Previous Contents Next

To provide Feedback, Suggestions or Comments for this page contact Mark Ferroni at Mark.Ferroni@dot.gov.


FHWA Home | HEP Home | Feedback
FHWA