Noise, Vibration, and Harshness
Technical Specifications
Overall Sector Dimensions
Total Sector Area
97,918 ft2 (9,9096 m2)
Total Asphalt Area
51,166 ft2 (4,753.50 m2)
Total Area with Special Surfaces (4 Lanes)
46,752 ft2 (4,343.40 m2)
Radius of Turning Area (2 Lanes)
24 ft (7.30 m)
Lane 1 - Rough Asphalt
Width
Length
500 ft (152.40 m)
Minimum Wheelpath
6.50 ft (2 m)
Maximum Wheelpath
30 ft (9.15 m)
Lane 2 - Belgian Block
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Block Variance
±1.50 in. (±3.80 cm)
Lane 3 - Manhole Cover
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Manhole Covers
8 - 24
Depression Variance
1.0 - 2.0 in. (2.54 - 5.08 cm)
Lane 4 - Speed Bump
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Type 1 Bump Length - Typical
10 ft (3 m)
Type 1 Bump Height - Typical
4 in. (10.16 cm)
Type 2 Bump Length - Trapezoidal
14 in. (35.56 cm)
Type 2 Bump Height - Trapezoidal
2 in. (5.08 cm)
Type 3 Bump Length - Rounded
15 in. (38.10 cm)
Type 3 Bump Height - Rounded
2 in. (5.08 cm)
Lane 5 - Step up Step Down
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Flat Approach Slab Length
17.5 ft (5.30 m)
Step Up 1 and Step Down 1 Height
.375 in. (0.95 cm)
Step Up 1 and Step Down 1 Length
105 ft (32 m)
Flat Transition 1, 2, and 3 Length
15 ft (4.57 m)
Step Up 2 and Step Down 2 Height
0.75 in. (1.90 cm)
Step Up 2 and Step Down 2 Length
105 ft (32 m)
Lane 6 - Sine Wave
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Sine Amplitude
1.5
Sine Wavelength
2.5 ft (0.76 m)
Wheelpaths
4
Out of Phase Wheelpath
One off by 0.50 x Wavelength
Lane 7 - Freeway Concrete
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Flat Approach Slab Length
17.5 ft (5.33 m)
Transition Slab 1 Length
15 ft (4.57 m)
Curled/Warped Slab Length
435 ft (132.58 m)
Transition Slab 2 Length
15 ft (4.57 m)
Lane 8 - Damaged Asphalt
Width
11.5 ft (3.50 m)
Length
500 ft (152.40 m)
Patched Damage
44 Random Patches
Patch Lenght Variance
1 - 12 ft (0.30 - 3.65 m)
Patch Height Variance (Relative to Surrounding Pavement)
-1.5 - ±0.4 in. (-3.81 - ±0.15 cm)
External Noise Track
Drive Lane Width
24 ft (7.30 m)
Drive Lane Length
131.25 ft (40 m)
Total Length of Straightaway (East)
1,701 ft (518.50 m)
Length of Straightaway (West)
2,234 ft (680.90 m)
Length of Straightaway (Central)
1,991 ft (606.90 m)
Length of Loop (South)
127 ft (38.70 m)
Length of Loop (North)
311 ft (94.80 m)