Geometries with No Barrier

Table 9. No barrier L_Aeq1h for 1000 motorcycles; Hard ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	64.1	64.1	63.4	66.1	69.4	72.2	74.5	76.6	78.4	80	81.4	82.7	83.9	85
20	61.5	61.5	60.8	63.5	66.7	69.6	71.9	74	75.8	77.3	78.8	80.1	81.2	82.3
30	60	60	59.2	62	65.2	68	70.4	72.4	74.2	75.7	77.2	78.4	79.6	80.7
40	58.8	58.8	58	60.8	64	66.8	69.2	71.2	72.9	74.5	75.9	77.2	78.4	79.4
50	57.8	57.8	57.1	59.8	63	65.8	68.2	70.2	71.9	73.5	74.9	76.2	77.3	78.4
60	57	57	56.2	59	62.2	65	67.3	69.3	71.1	72.7	74.1	75.3	76.5	77.5
70	56.3	56.3	55.5	58.3	61.4	64.2	66.6	68.6	70.4	71.9	73.3	74.6	75.7	76.8
80	55.6	55.6	54.9	57.6	60.8	63.6	65.9	68	69.7	71.3	72.7	73.9	75.1	76.1
90	55.1	55.1	54.3	57	60.2	63	65.4	67.4	69.1	70.7	72.1	73.3	74.5	75.6
100	54.6	54.6	53.8	56.5	59.7	62.5	64.9	66.9	68.6	70.2	71.6	72.8	74	75
110	54.1	54.1	53.3	56	59.2	62	64.4	66.4	68.1	69.7	71.1	72.3	73.5	74.5
120	53.6	53.6	52.9	55.6	58.8	61.6	63.9	65.9	67.7	69.3	70.6	71.9	73	74.1
130	53.2	53.2	52.5	55.2	58.4	61.2	63.5	65.5	67.3	68.8	70.2	71.5	72.6	73.7
140	52.9	52.9	52.1	54.8	58	60.8	63.1	65.2	66.9	68.5	69.8	71.1	72.2	73.3
150	52.5	52.5	51.7	54.5	57.7	60.4	62.8	64.8	66.6	68.1	69.5	70.7	71.9	72.9
160	52.2	52.2	51.4	54.1	57.3	60.1	62.5	64.5	66.2	67.8	69.1	70.4	71.5	72.6
170	51.9	51.9	51.1	53.8	57	59.8	62.1	64.1	65.9	67.4	68.8	70.1	71.2	72.3
180	51.6	51.6	50.8	53.5	56.7	59.5	61.8	63.8	65.6	67.1	68.5	69.8	70.9	72
190	51.3	51.3	50.5	53.2	56.4	59.2	61.5	63.6	65.3	66.9	68.2	69.5	70.6	71.7
200	51	51	50.2	53	56.1	58.9	61.3	63.3	65	66.6	68	69.2	70.4	71.4
210	50.7	50.7	49.9	52.7	55.9	58.7	61	63	64.8	66.3	67.7	68.9	70.1	71.1
220	50.5	50.5	49.7	52.4	55.6	58.4	60.8	62.8	64.5	66.1	67.4	68.7	69.8	70.9
230	50.2	50.2	49.4	52.2	55.4	58.2	60.5	62.5	64.3	65.8	67.2	68.5	69.6	70.6
240	50	50	49.2	52	55.1	57.9	60.3	62.3	64	65.6	67	68.2	69.4	70.4
250	49.8	49.8	49	51.7	54.9	57.7	60.1	62.1	63.8	65.4	66.7	68	69.1	70.2
260	49.6	49.6	48.8	51.5	54.7	57.5	59.8	61.8	63.6	65.1	66.5	67.8	68.9	70
270	49.3	49.3	48.6	51.3	54.5	57.3	59.6	61.6	63.4	64.9	66.3	67.6	68.7	69.8
280	49.1	49.1	48.4	51.1	54.3	57.1	59.4	61.4	63.2	64.7	66.1	67.4	68.5	69.6
290	48.9	48.9	48.2	50.9	54.1	56.9	59.2	61.2	63	64.5	65.9	67.2	68.3	69.4
300	48.8	48.8	48	50.7	53.9	56.7	59	61	62.8	64.3	65.7	67	68.1	69.2

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

Table 10. No barrier L_Aeq1h for 1000 motocycles; Soft ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	63.6	63.6	62.9	65.7	68.9	71.7	74.1	76.1	77.9	79.5	80.9	82.2	83.4	84.5
20	59.2	59.2	58.5	61.3	64.5	67.3	69.7	71.8	73.6	75.2	76.6	77.9	79.1	80.2
30	55.9	55.9	55.1	57.9	61.2	64	66.4	68.5	70.3	71.9	73.3	74.6	75.8	76.9
40	53.5	53.5	52.8	55.6	58.8	61.7	64.1	66.2	68	69.6	71	72.3	73.5	74.7
50	51.7	51.7	51	53.8	57.1	59.9	62.3	64.4	66.2	67.8	69.3	70.6	71.8	72.9
60	50.3	50.3	49.6	52.4	55.6	58.5	60.9	63	64.8	66.4	67.9	69.2	70.4	71.6
70	49.1	49.1	48.4	51.2	54.5	57.3	59.7	61.8	63.7	65.3	66.8	68.1	69.3	70.4
80	48	48	47.3	50.2	53.4	56.3	58.7	60.8	62.7	64.3	65.8	67.1	68.3	69.5
90	47.2	47.2	46.5	49.3	52.6	55.4	57.9	60	61.8	63.4	64.9	66.3	67.5	68.6
100	46.4	46.4	45.7	48.5	51.8	54.7	57.1	59.2	61.1	62.7	64.2	65.5	66.7	67.9
110	45.7	45.7	45	47.8	51.1	54	56.4	58.5	60.4	62	63.5	64.9	66.1	67.2
120	45.1	45.1	44.4	47.2	50.5	53.4	55.8	57.9	59.8	61.4	62.9	64.2	65.5	66.6
130	44.5	44.5	43.8	46.7	49.9	52.8	55.3	57.4	59.2	60.9	62.4	63.7	64.9	66.1
140	44	44	43.3	46.1	49.4	52.3	54.8	56.9	58.7	60.4	61.9	63.2	64.5	65.6
150	43.5	43.5	42.8	45.7	49	51.9	54.3	56.4	58.3	59.9	61.4	62.8	64	65.1
160	43.1	43.1	42.4	45.2	48.5	51.4	53.9	56	57.8	59.5	61	62.3	63.6	64.7
170	42.6	42.6	42	44.8	48.1	51	53.5	55.6	57.4	59.1	60.6	61.9	63.2	64.3
180	42.3	42.3	41.6	44.4	47.7	50.6	53.1	55.2	57.1	58.7	60.2	61.5	62.8	63.9
190	41.9	41.9	41.2	44.1	47.4	50.3	52.7	54.8	56.7	58.4	59.8	61.2	62.4	63.6
200	41.6	41.6	40.9	43.7	47	49.9	52.4	54.5	56.4	58	59.5	60.9	62.1	63.3
210	41.2	41.2	40.6	43.4	46.7	49.6	52.1	54.2	56.1	57.7	59.2	60.6	61.8	63
220	40.9	40.9	40.3	43.1	46.4	49.3	51.8	53.9	55.8	57.4	58.9	60.3	61.5	62.7
230	40.7	40.7	40	42.9	46.2	49	51.5	53.6	55.5	57.2	58.6	60	61.3	62.4
240	40.4	40.4	39.7	42.6	45.9	48.8	51.3	53.4	55.2	56.9	58.4	59.8	61	62.2
250	40.2	40.2	39.5	42.4	45.7	48.5	51	53.1	55	56.7	58.2	59.5	60.8	61.9
260	39.9	39.9	39.3	42.1	45.4	48.3	50.8	52.9	54.8	56.4	57.9	59.3	60.5	61.7
270	39.7	39.7	39.1	41.9	45.2	48.1	50.6	52.7	54.6	56.2	57.7	59.1	60.3	61.5
280	39.5	39.5	38.8	41.7	45	47.9	50.4	52.5	54.4	56	57.5	58.9	60.1	61.3
290	39.3	39.3	38.6	41.5	44.8	47.7	50.2	52.3	54.2	55.8	57.3	58.7	59.9	61.1
300	39.1	39.1	38.4	41.3	44.6	47.5	50	52.1	54	55.6	57.1	58.5	59.7	60.9

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

3.2 Geometries with a Barrier at 10 m

Table 11. 2 m barrier at 10 m offset; L_Aeq1h for 1000 automobiles; Hard ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	48.4	48.4	46.4	47.9	50.5	52.8	54.9	56.7	58.3	59.7	61	62.2	63.3	64.4
30	46.7	46.7	44.6	46.1	48.5	50.8	52.8	54.5	56	57.3	58.6	59.7	60.8	61.8
40	45.9	45.9	43.8	45.3	47.7	50	52	53.7	55.1	56.5	57.6	58.7	59.8	60.7
50	45.3	45.3	43.2	44.7	47.2	49.5	51.5	53.2	54.7	56	57.2	58.3	59.3	60.3
60	44.8	44.8	42.7	44.2	46.7	49.1	51.1	52.8	54.3	55.6	56.8	58	59	59.9
70	44.2	44.2	42.2	43.7	46.3	48.6	50.6	52.4	53.9	55.3	56.5	57.6	58.6	59.6
80	43.7	43.7	41.7	43.3	45.8	48.2	50.2	52	53.5	54.9	56.1	57.2	58.2	59.2
90	43.3	43.3	41.3	42.8	45.4	47.8	49.8	51.5	53.1	54.5	55.7	56.8	57.9	58.8
100	42.9	42.9	40.8	42.4	45	47.3	49.4	51.1	52.7	54.1	55.3	56.4	57.5	58.5
110	42.5	42.5	40.4	42	44.6	46.9	49	50.8	52.3	53.7	54.9	56	57.1	58.1
120	42.1	42.1	40.1	41.6	44.2	46.6	48.6	50.4	51.9	53.3	54.5	55.7	56.7	57.7
130	41.7	41.7	39.7	41.3	43.8	46.2	48.3	50	51.6	52.9	54.2	55.3	56.4	57.4
140	41.4	41.4	39.4	40.9	43.5	45.9	47.9	49.7	51.2	52.6	53.8	55	56	57
150	41.1	41.1	39	40.6	43.2	45.5	47.6	49.4	50.9	52.3	53.5	54.6	55.7	56.7
160	40.8	40.8	38.7	40.3	42.9	45.2	47.3	49	50.6	52	53.2	54.3	55.4	56.4
170	40.5	40.5	38.5	40	42.6	44.9	47	48.7	50.3	51.6	52.9	54	55.1	56.1
180	40.2	40.2	38.2	39.7	42.3	44.7	46.7	48.5	50	51.4	52.6	53.7	54.8	55.8
190	39.9	39.9	37.9	39.5	42	44.4	46.4	48.2	49.7	51.1	52.3	53.4	54.5	55.5
200	39.7	39.7	37.7	39.2	41.8	44.1	46.2	47.9	49.4	50.8	52	53.2	54.2	55.2
210	39.4	39.4	37.4	39	41.5	43.9	45.9	47.7	49.2	50.5	51.8	52.9	53.9	54.9
220	39.2	39.2	37.2	38.7	41.3	43.6	45.7	47.4	48.9	50.3	51.5	52.6	53.7	54.7
230	39	39	37	38.5	41	43.4	45.4	47.2	48.7	50	51.3	52.4	53.4	54.4
240	38.8	38.8	36.7	38.3	40.8	43.2	45.2	46.9	48.5	49.8	51	52.2	53.2	54.2
250	38.6	38.6	36.5	38.1	40.6	42.9	45	46.7	48.2	49.6	50.8	51.9	53	53.9
260	38.4	38.4	36.3	37.9	40.4	42.7	44.8	46.5	48	49.4	50.6	51.7	52.7	53.7
270	38.2	38.2	36.1	37.7	40.2	42.5	44.5	46.3	47.8	49.1	50.4	51.5	52.5	53.5
280	38	38	35.9	37.5	40	42.3	44.3	46.1	47.6	48.9	50.1	51.3	52.3	53.2
290	37.8	37.8	35.7	37.3	39.8	42.1	44.1	45.9	47.4	48.7	49.9	51	52.1	53
300	37.6	37.6	35.6	37.1	39.6	41.9	44	45.7	47.2	48.5	49.7	50.8	51.9	52.8

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

Table 12. 3 m barrier at 10 m offset; L_Aeq1h for 1000 automobiles; Hard ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	46.3	46.3	44.1	45.5	48	50.2	52.2	53.8	55.3	56.6	57.8	58.9	60	60.9
30	44.8	44.8	42.6	44	46.3	48.5	50.4	52	53.4	54.6	55.8	56.9	57.9	58.8
40	43.9	43.9	41.7	43.1	45.4	47.6	49.5	51.1	52.4	53.6	54.7	55.8	56.7	57.6
50	43.3	43.3	41.1	42.5	44.8	47	48.9	50.5	51.8	53	54.1	55.1	56	56.9
60	42.7	42.7	40.5	41.9	44.3	46.5	48.4	50	51.3	52.6	53.6	54.6	55.6	56.4
70	42.2	42.2	40	41.4	43.8	46.1	47.9	49.5	50.9	52.1	53.2	54.2	55.2	56
80	41.7	41.7	39.6	41	43.4	45.6	47.5	49.1	50.5	51.8	52.9	53.9	54.8	55.7
90	41.3	41.3	39.1	40.6	43	45.2	47.1	48.7	50.1	51.4	52.5	53.5	54.5	55.3
100	40.9	40.9	38.7	40.2	42.6	44.8	46.7	48.4	49.8	51	52.1	53.2	54.1	55
110	40.5	40.5	38.3	39.8	42.2	44.4	46.4	48	49.4	50.7	51.8	52.8	53.8	54.7
120	40.1	40.1	38	39.4	41.8	44.1	46	47.6	49	50.3	51.4	52.5	53.4	54.3
130	39.8	39.8	37.6	39.1	41.5	43.7	45.7	47.3	48.7	50	51.1	52.1	53.1	54
140	39.4	39.4	37.3	38.7	41.2	43.4	45.3	47	48.4	49.6	50.8	51.8	52.8	53.7
150	39.1	39.1	37	38.4	40.8	43.1	45	46.6	48.1	49.3	50.5	51.5	52.4	53.3
160	38.8	38.8	36.7	38.1	40.5	42.8	44.7	46.3	47.8	49	50.1	51.2	52.1	53
170	38.5	38.5	36.4	37.8	40.3	42.5	44.4	46.1	47.5	48.7	49.9	50.9	51.8	52.7
180	38.3	38.3	36.1	37.6	40	42.2	44.1	45.8	47.2	48.4	49.6	50.6	51.6	52.5
190	38	38	35.9	37.3	39.7	42	43.9	45.5	46.9	48.2	49.3	50.3	51.3	52.2
200	37.8	37.8	35.6	37.1	39.5	41.7	43.6	45.3	46.7	47.9	49	50.1	51	51.9
210	37.5	37.5	35.4	36.8	39.2	41.5	43.4	45	46.4	47.7	48.8	49.8	50.8	51.6
220	37.3	37.3	35.2	36.6	39	41.2	43.1	44.8	46.2	47.4	48.5	49.6	50.5	51.4
230	37.1	37.1	34.9	36.4	38.8	41	42.9	44.5	45.9	47.2	48.3	49.3	50.3	51.1
240	36.9	36.9	34.7	36.1	38.6	40.8	42.7	44.3	45.7	46.9	48.1	49.1	50	50.9
250	36.7	36.7	34.5	35.9	38.3	40.6	42.5	44.1	45.5	46.7	47.8	48.8	49.8	50.7
260	36.5	36.5	34.3	35.7	38.1	40.4	42.3	43.9	45.3	46.5	47.6	48.6	49.6	50.4
270	36.3	36.3	34.1	35.5	37.9	40.2	42.1	43.7	45.1	46.3	47.4	48.4	49.3	50.2
280	36.1	36.1	33.9	35.3	37.7	40	41.9	43.5	44.9	46.1	47.2	48.2	49.1	50
290	35.9	35.9	33.8	35.2	37.6	39.8	41.7	43.3	44.7	45.9	47	48	48.9	49.8
300	35.7	35.7	33.6	35	37.4	39.6	41.5	43.1	44.5	45.7	46.8	47.8	48.7	49.6

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

Table 13.4 m barrier at 10 m offset; L_Aeq1h for 1000 automobiles; Hard ground

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	44.7	44.7	42.5	43.9	46.3	48.5	50.4	52	53.4	54.6	55.8	56.8	57.8	58.8
30	43.4	43.4	41.2	42.5	44.8	47	48.8	50.4	51.7	52.9	54	55	56	56.9
40	42.5	42.5	40.2	41.5	43.8	46	47.8	49.3	50.6	51.8	52.8	53.8	54.8	55.6
50	41.8	41.8	39.5	40.8	43.1	45.2	47	48.5	49.8	51	52	52.9	53.8	54.6
60	41.2	41.2	38.9	40.2	42.5	44.7	46.5	48	49.2	50.4	51.4	52.3	53.2	54
70	40.7	40.7	38.4	39.8	42.1	44.2	46	47.5	48.8	49.9	50.9	51.9	52.7	53.5
80	40.2	40.2	38	39.3	41.6	43.8	45.6	47.1	48.4	49.5	50.6	51.5	52.4	53.2
90	39.8	39.8	37.6	38.9	41.2	43.4	45.2	46.7	48	49.2	50.2	51.2	52	52.8
100	39.4	39.4	37.2	38.5	40.8	43	44.8	46.4	47.7	48.9	49.9	50.8	51.7	52.5
110	39	39	36.8	38.1	40.5	42.6	44.5	46	47.4	48.5	49.6	50.5	51.4	52.2
120	38.6	38.6	36.4	37.8	40.1	42.3	44.1	45.7	47	48.2	49.3	50.2	51.1	51.9
130	38.3	38.3	36.1	37.5	39.8	42	43.8	45.4	46.7	47.9	48.9	49.9	50.8	51.6
140	38	38	35.8	37.1	39.5	41.7	43.5	45.1	46.4	47.6	48.6	49.6	50.5	51.3
150	37.7	37.7	35.5	36.8	39.2	41.4	43.2	44.8	46.1	47.3	48.3	49.3	50.2	51
160	37.4	37.4	35.2	36.5	38.9	41.1	42.9	44.5	45.8	47	48.1	49	49.9	50.7
170	37.1	37.1	34.9	36.3	38.6	40.8	42.6	44.2	45.5	46.7	47.8	48.7	49.6	50.5
180	36.8	36.8	34.6	36	38.4	40.5	42.4	43.9	45.3	46.5	47.5	48.5	49.4	50.2
190	36.6	36.6	34.4	35.8	38.1	40.3	42.1	43.7	45	46.2	47.3	48.2	49.1	49.9
200	36.4	36.4	34.2	35.5	37.9	40	41.9	43.4	44.8	45.9	47	48	48.9	49.7
210	36.1	36.1	33.9	35.3	37.6	39.8	41.6	43.2	44.5	45.7	46.8	47.7	48.6	49.4
220	35.9	35.9	33.7	35.1	37.4	39.6	41.4	43	44.3	45.5	46.5	47.5	48.4	49.2
230	35.7	35.7	33.5	34.8	37.2	39.3	41.2	42.7	44.1	45.2	46.3	47.2	48.1	48.9
240	35.5	35.5	33.3	34.6	37	39.1	41	42.5	43.8	45	46.1	47	47.9	48.7
250	35.3	35.3	33.1	34.4	36.8	38.9	40.7	42.3	43.6	44.8	45.8	46.8	47.7	48.5
260	35.1	35.1	32.9	34.2	36.6	38.7	40.5	42.1	43.4	44.6	45.6	46.6	47.4	48.3
270	34.9	34.9	32.7	34	36.4	38.5	40.3	41.9	43.2	44.4	45.4	46.4	47.2	48.1
280	34.7	34.7	32.5	33.8	36.2	38.3	40.2	41.7	43	44.2	45.2	46.2	47	47.8
290	34.5	34.5	32.3	33.7	36	38.1	40	41.5	42.8	44	45	46	46.8	47.6
300	34.4	34.4	32.1	33.5	35.8	38	39.8	41.3	42.6	43.8	44.8	45.8	46.6	47.4

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

Table 14. 5 m barrier at 10 m offset; L_Aeq1h for 1000 automobiles; Hard ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	43.4	43.4	41.2	42.5	44.9	47	48.9	50.4	51.8	53	54.1	55.1	56.1	57
30	42.2	42.2	39.9	41.2	43.5	45.6	47.4	48.9	50.2	51.4	52.4	53.4	54.3	55.1
40	41.3	41.3	39	40.3	42.5	44.6	46.4	47.8	49.1	50.2	51.3	52.2	53.1	53.9
50	40.5	40.5	38.3	39.5	41.8	43.8	45.6	47.1	48.3	49.4	50.4	51.3	52.2	53
60	39.9	39.9	37.7	38.9	41.2	43.2	45	46.4	47.7	48.8	49.7	50.6	51.4	52.2
70	39.4	39.4	37.1	38.4	40.7	42.7	44.5	45.9	47.2	48.2	49.2	50.1	50.9	51.6
80	38.9	38.9	36.7	38	40.2	42.3	44	45.5	46.7	47.8	48.8	49.6	50.4	51.2
90	38.5	38.5	36.3	37.5	39.8	41.9	43.6	45.1	46.4	47.4	48.4	49.3	50.1	50.8
100	38.1	38.1	35.9	37.2	39.4	41.5	43.3	44.8	46	47.1	48.1	48.9	49.7	50.5
110	37.7	37.7	35.5	36.8	39.1	41.2	42.9	44.4	45.7	46.8	47.7	48.6	49.4	50.2
120	37.4	37.4	35.1	36.5	38.7	40.8	42.6	44.1	45.4	46.5	47.4	48.3	49.1	49.9
130	37.1	37.1	34.8	36.1	38.4	40.5	42.3	43.8	45.1	46.2	47.1	48	48.9	49.6
140	36.8	36.8	34.5	35.8	38.1	40.2	42	43.5	44.8	45.9	46.9	47.8	48.6	49.3
150	36.5	36.5	34.2	35.5	37.8	39.9	41.7	43.2	44.5	45.6	46.6	47.5	48.3	49.1
160	36.2	36.2	33.9	35.2	37.5	39.7	41.4	42.9	44.2	45.3	46.3	47.2	48	48.8
170	35.9	35.9	33.7	35	37.3	39.4	41.2	42.7	43.9	45	46	46.9	47.8	48.5
180	35.6	35.6	33.4	34.7	37	39.1	40.9	42.4	43.7	44.8	45.8	46.7	47.5	48.3
190	35.4	35.4	33.1	34.5	36.8	38.9	40.6	42.1	43.4	44.5	45.5	46.4	47.3	48
200	35.2	35.2	32.9	34.2	36.5	38.6	40.4	41.9	43.2	44.3	45.3	46.2	47	47.8
210	34.9	34.9	32.7	34	36.3	38.4	40.2	41.7	42.9	44.1	45	45.9	46.8	47.5
220	34.7	34.7	32.5	33.8	36.1	38.2	39.9	41.4	42.7	43.8	44.8	45.7	46.5	47.3
230	34.5	34.5	32.2	33.5	35.8	37.9	39.7	41.2	42.5	43.6	44.6	45.5	46.3	47.1
240	34.3	34.3	32	33.3	35.6	37.7	39.5	41	42.3	43.4	44.4	45.3	46.1	46.8
250	34.1	34.1	31.8	33.1	35.4	37.5	39.3	40.8	42.1	43.2	44.1	45	45.9	46.6
260	33.9	33.9	31.6	32.9	35.2	37.3	39.1	40.6	41.9	43	43.9	44.8	45.6	46.4
270	33.7	33.7	31.5	32.8	35	37.1	38.9	40.4	41.7	42.8	43.7	44.6	45.4	46.2
280	33.5	33.5	31.3	32.6	34.9	37	38.7	40.2	41.5	42.6	43.5	44.4	45.2	46
290	33.4	33.4	31.1	32.4	34.7	36.8	38.5	40	41.3	42.4	43.3	44.2	45	45.8
300	33.2	33.2	30.9	32.2	34.5	36.6	38.4	39.8	41.1	42.2	43.1	44	44.8	45.6

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

Table 15. 6 m barrier at 10 m offset; L_Aeq1h for 1000 automobiles; Hard ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	42.3	42.3	40.1	41.4	43.7	45.9	47.7	49.2	50.6	51.8	52.8	53.8	54.8	55.7
30	41.2	41.2	38.9	40.2	42.4	44.5	46.2	47.7	49	50.1	51.1	52	52.9	53.7
40	40.3	40.3	38	39.2	41.5	43.6	45.3	46.8	48	49.1	50.1	51	51.8	52.6
50	39.5	39.5	37.2	38.5	40.7	42.7	44.5	45.9	47.1	48.2	49.2	50.1	50.9	51.7
60	38.9	38.9	36.6	37.8	40	42.1	43.8	45.2	46.4	47.5	48.4	49.3	50.1	50.8
70	38.4	38.4	36	37.3	39.5	41.5	43.2	44.6	45.8	46.9	47.8	48.6	49.4	50.1
80	37.9	37.9	35.6	36.8	39	41.1	42.8	44.2	45.4	46.4	47.3	48.2	48.9	49.6
90	37.5	37.5	35.2	36.4	38.6	40.7	42.4	43.8	45	46	47	47.8	48.5	49.2
100	37.1	37.1	34.8	36	38.3	40.3	42	43.5	44.7	45.7	46.6	47.5	48.2	48.9
110	36.7	36.7	34.4	35.7	37.9	40	41.7	43.1	44.3	45.4	46.3	47.1	47.9	48.6
120	36.4	36.4	34.1	35.3	37.6	39.7	41.4	42.8	44	45.1	46	46.9	47.6	48.3
130	36	36	33.7	35	37.3	39.3	41.1	42.5	43.7	44.8	45.7	46.6	47.3	48.1
140	35.7	35.7	33.4	34.7	37	39	40.8	42.2	43.4	44.5	45.4	46.3	47.1	47.8
150	35.4	35.4	33.1	34.4	36.7	38.8	40.5	41.9	43.2	44.2	45.2	46	46.8	47.5
160	35.1	35.1	32.9	34.1	36.4	38.5	40.2	41.7	42.9	44	44.9	45.8	46.5	47.3
170	34.9	34.9	32.6	33.9	36.1	38.2	40	41.4	42.6	43.7	44.7	45.5	46.3	47
180	34.6	34.6	32.3	33.6	35.9	38	39.7	41.1	42.4	43.5	44.4	45.3	46	46.8
190	34.4	34.4	32.1	33.4	35.6	37.7	39.5	40.9	42.1	43.2	44.2	45	45.8	46.5
200	34.1	34.1	31.9	33.1	35.4	37.5	39.2	40.7	41.9	43	43.9	44.8	45.5	46.3
210	33.9	33.9	31.6	32.9	35.2	37.2	39	40.4	41.7	42.7	43.7	44.5	45.3	46
220	33.7	33.7	31.4	32.7	34.9	37	38.8	40.2	41.4	42.5	43.4	44.3	45.1	45.8
230	33.5	33.5	31.2	32.5	34.7	36.8	38.5	40	41.2	42.3	43.2	44.1	44.9	45.6
240	33.3	33.3	31	32.3	34.5	36.6	38.3	39.8	41	42.1	43	43.9	44.6	45.4
250	33.1	33.1	30.8	32.1	34.3	36.4	38.1	39.6	40.8	41.9	42.8	43.6	44.4	45.1
260	32.9	32.9	30.6	31.9	34.1	36.2	37.9	39.4	40.6	41.7	42.6	43.4	44.2	44.9
270	32.7	32.7	30.4	31.7	33.9	36	37.7	39.2	40.4	41.5	42.4	43.2	44	44.7
280	32.5	32.5	30.2	31.5	33.8	35.8	37.6	39	40.2	41.3	42.2	43	43.8	44.5
290	32.3	32.3	30.1	31.3	33.6	35.6	37.4	38.8	40	41.1	42	42.8	43.6	44.3
300	32.2	32.2	29.9	31.2	33.4	35.5	37.2	38.6	39.8	40.9	41.8	42.7	43.4	44.1

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

Table 16. 7 m barrier at 10 m offset; L_Aeq1h for 1000 automobiles; Hard ground.

Vehicle Speed (km/h)
Receiver Distance (m)	0	10	20	30	40	50	60	70	80	90	100	110	120	130
10	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	41.3	41.3	39.1	40.4	42.7	44.8	46.6	48.2	49.5	50.7	51.8	52.7	53.7	54.5
30	40.4	40.4	38.1	39.3	41.6	43.6	45.4	46.8	48.1	49.2	50.2	51.1	52	52.8
40	39.4	39.4	37.1	38.4	40.6	42.7	44.4	45.9	47.1	48.2	49.2	50.1	51	51.8
50	38.7	38.7	36.4	37.6	39.8	41.9	43.6	45	46.2	47.3	48.3	49.2	50	50.7
60	38	38	35.7	36.9	39.2	41.2	42.9	44.3	45.5	46.6	47.5	48.4	49.2	49.9
70	37.5	37.5	35.1	36.4	38.6	40.6	42.3	43.7	44.9	45.9	46.8	47.6	48.4	49.1
80	37	37	34.6	35.9	38.1	40.1	41.8	43.2	44.3	45.4	46.3	47.1	47.8	48.5
90	36.5	36.5	34.2	35.4	37.6	39.7	41.3	42.7	43.9	44.9	45.8	46.6	47.3	48
100	36.1	36.1	33.8	35	37.3	39.3	41	42.4	43.5	44.5	45.4	46.2	47	47.6
110	35.8	35.8	33.5	34.7	36.9	38.9	40.6	42	43.2	44.2	45.1	45.9	46.6	47.3
120	35.4	35.4	33.1	34.4	36.6	38.6	40.3	41.7	42.9	43.9	44.8	45.6	46.3	47
130	35.1	35.1	32.8	34	36.3	38.3	40	41.4	42.6	43.6	44.5	45.3	46.1	46.8
140	34.8	34.8	32.5	33.7	36	38	39.7	41.1	42.3	43.3	44.3	45.1	45.8	46.5
150	34.5	34.5	32.2	33.5	35.7	37.7	39.4	40.9	42.1	43.1	44	44.8	45.6	46.3
160	34.2	34.2	31.9	33.2	35.4	37.5	39.2	40.6	41.8	42.8	43.7	44.6	45.3	46
170	34	34	31.7	32.9	35.2	37.2	38.9	40.3	41.5	42.6	43.5	44.3	45.1	45.8
180	33.7	33.7	31.4	32.7	34.9	37	38.7	40.1	41.3	42.3	43.3	44.1	44.8	45.5
190	33.5	33.5	31.2	32.4	34.7	36.7	38.4	39.9	41.1	42.1	43	43.9	44.6	45.3
200	33.2	33.2	30.9	32.2	34.4	36.5	38.2	39.6	40.8	41.9	42.8	43.6	44.4	45.1
210	33	33	30.7	32	34.2	36.3	38	39.4	40.6	41.7	42.6	43.4	44.2	44.9
220	32.8	32.8	30.5	31.8	34	36	37.8	39.2	40.4	41.4	42.3	43.2	43.9	44.6
230	32.6	32.6	30.3	31.5	33.8	35.8	37.5	39	40.2	41.2	42.1	43	43.7	44.4
240	32.4	32.4	30.1	31.3	33.6	35.6	37.3	38.8	40	41	41.9	42.8	43.5	44.2
250	32.2	32.2	29.9	31.1	33.4	35.4	37.1	38.6	39.8	40.8	41.7	42.6	43.3	44
260	32	32	29.7	31	33.2	35.2	36.9	38.4	39.6	40.6	41.5	42.4	43.1	43.8
270	31.8	31.8	29.5	30.8	33	35.1	36.8	38.2	39.4	40.4	41.3	42.2	42.9	43.6
280	31.6	31.6	29.3	30.6	32.8	34.9	36.6	38	39.2	40.2	41.1	42	42.7	43.4
290	31.5	31.5	29.2	30.4	32.6	34.7	36.4	37.8	39	40	41	41.8	42.5	43.2
300	31.3	31.3	29	30.2	32.5	34.5	36.2	37.6	38.8	39.9	40.8	41.6	42.3	43

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

Contents

Next

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