Summary of Noise Barriers Constructed By December 31, 2001

• Introduction, PDF (73 KB)
• Table 1 - Noise Barrier Construction By State, PDF (76 KB)
• Table 2 - Total Noise Barrier Area by Material Type, PDF (116 KB)
• Table 3 - Type II Noise Barrier Construction by State by Total Barrier Area, PDF (76 KB)
• Table 4 - States That Have Not Constructed Noise Barriers to Date, PDF (61 KB)
• Summary Table Complete, PDF (1.8 MB)