Table 3 - Mean Speed Characteristics
Thursday, December 1, 2011
Table 3 - Mean Speed Characteristics
Six-lane highway sections
Site code (highway) | Direction of travel | Travel lane | 24-hour passenger car lane volume | 24-hour truck volume | Lane-based mean speed m1 |
Vehicle type-based mean speed m2 |
Trimmed mean speed | Average mean speed |
---|---|---|---|---|---|---|---|---|
320 (I-75) | NB | Shoulder | 4,003 | 4,074 | 73 | 73 | 70 | 70 |
Middle | 8,173 | 2,202 | 73 | 74 | ||||
Median | 3,609 | 99 | 79 | 79 | ||||
SB | Shoulder | 4,350 | 3,850 | 74 | 74 | 69 | 70 | |
Middle | 9,109 | 2,175 | 75 | 75 | ||||
Median | 4,976 | 140 | 80 | 81 | ||||
9904 (I-75) | NB | Shoulder | 4,614 | 4,436 | 71 | 73 | 69 | 67 |
Middle | 10,606 | 2,227 | 73 | 72 | ||||
Median | 6,512 | 107 | 76 | 76 | ||||
SB | Shoulder | 3,814 | 4,184 | 73 | 72 | 69 | 68 | |
Middle | 8,899 | 2,058 | 75 | 74 | ||||
Median | 4,658 | 78 | 77 | 78 | ||||
9905 (I-95) | NB | Shoulder | 5,685 | 3,209 | 72 | 72 | 68 | 68 |
Middle | 12,288 | 3,072 | 73 | 73 | ||||
Median | 5,711 | 316 | 78 | 77 | ||||
SB | Shoulder | 7,004 | 3,766 | 72 | 72 | 68 | 68 | |
Middle | 10,992 | 2,279 | 73 | 73 | ||||
Median | 4,471 | 280 | 77 | 77 |
Four-lane highway sections
Site code (highway) | Direction of travel | Travel lane | 24-hour passenger car lane volume | 24-hour truck volume | Lane-based mean speed m1 |
Vehicle type-based mean speed m2 |
Trimmed mean speed | Average mean speed |
---|---|---|---|---|---|---|---|---|
9901 (I-10) | WB | Shoulder | 4,959 | 2,729 | 74 | 74 | 73 | 73 |
Median | 2,356 | 367 | 78 | 78 | ||||
EB | Shoulder | 4,843 | 2,844 | 74 | 74 | 73 | 73 | |
Median | 2,254 | 407 | 78 | 78 | ||||
9928 (I-10) | WB | Shoulder | 4,551 | 2,122 | 69 | 69 | 68 | 68 |
Median | 2,081 | 266 | 73 | 73 | ||||
EB | Shoulder | 4,894 | 2,107 | 70 | 71 | 70 | 70 | |
Median | 1,867 | 257 | 72 | 72 | ||||
351 (I-75) | WB | Shoulder | 4,522 | 1,097 | 73 | 73 | 72 | 72 |
Median | 2,087 | 122 | 77 | 77 | ||||
EB | Shoulder | 4,399 | 132 | 78 | 79 | 74 | 74 | |
Median | 2,297 | 1,103 | 85 | 85 | ||||
9919 (I-95) | NB | Shoulder | 3,649 | 3,574 | 69 | 69 | 70 | 68 |
Median | 5,118 | 2,640 | 75 | 70 | ||||
SB | Shoulder | 5,427 | 3,730 | 66 | 67 | 68 | 66 | |
Median | 3,642 | 1,440 | 69 | 67 | ||||
9932 (Turnpike) | NB | Shoulder | 6,479 | 1,142 | 72 | 72 | 70 | 70 |
Median | 3,074 | 192 | 75 | 77 | ||||
SB | Shoulder | 7,733 | 1,400 | 73 | 73 | 70 | 71 | |
Median | 4,415 | 361 | 76 | 78 |
Key: EB = eastbound; NB = northbound; SB = southbound; WB = westbound.