VOC, NOx, and CO by Variable Speeds
| VOC | Summer Freeway | |||||
|---|---|---|---|---|---|---|
| 10 | 20 | 30 | 40 | 50 | 60 | |
| 2000 | 1.426 | 1.013 | 0.902 | 0.845 | 0.824 | 0.815 |
| 1990 | 4.271 | 2.988 | 2.56 | 2.309 | 2.177 | 2.072 |
| 1980 | 11.139 | 7.497 | 6.251 | 5.506 | 5.101 | 4.745 |
| 1970 | 15.371 | 10.256 | 8.464 | 7.407 | 6.839 | 6.333 |
Arterial | ||||||
| 10 | 20 | 30 | 40 | 50 | 60 | |
| 2000 | 1.489 | 1.044 | 0.891 | 0.829 | 0.807 | 0.796 |
| 1990 | 4.332 | 3.015 | 2.546 | 2.289 | 2.161 | 2.059 |
| 1980 | 11.171 | 7.511 | 6.224 | 5.468 | 5.078 | 4.741 |
| 1970 | 15.366 | 10.244 | 8.445 | 7.373 | 6.827 | 6.351 |
| Nox | Freeway summer | |||||
| 10 | 20 | 30 | 40 | 50 | 60 | |
| 2000 | 3.312 | 2.803 | 2.697 | 2.74 | 2.994 | 3.605 |
| 1990 | 4.656 | 3.836 | 3.646 | 3.7 | 4.087 | 5.07 |
| 1980 | 7.342 | 6.146 | 5.87 | 5.919 | 6.394 | 7.672 |
| 1970 | 7.615 | 6.379 | 6.105 | 6.151 | 6.61 | 7.863 |
Arterial | ||||||
| 10 | 20 | 30 | 40 | 50 | 60 | |
| 2000 | 3.124 | 2.544 | 2.341 | 2.364 | 2.573 | 3.012 |
| 1990 | 4.876 | 3.95 | 3.623 | 3.647 | 3.96 | 4.659 |
| 1980 | 7.714 | 6.364 | 5.883 | 5.883 | 6.259 | 7.162 |
| 1970 | 8 | 6.614 | 6.122 | 6.115 | 6.477 | 7.361 |
| CO | winter-free | |||||
| 10 | 20 | 30 | 40 | 50 | 60 | |
| 1970 | 150.272 | 116.763 | 109.548 | 107.661 | 109.193 | 112.793 |
| 1980 | 126.127 | 100.603 | 94.841 | 94.386 | 96.976 | 101.473 |
| 1990 | 76.743 | 62.548 | 59.307 | 59.827 | 62.372 | 66.066 |
| 2000 | 41.872 | 34.918 | 33.424 | 34.339 | 36.493 | 36.209 |
| CO | winter-art | |||||
| 10 | 20 | 30 | 40 | 50 | 60 | |
| 2000 | 41.911 | 34.419 | 32.269 | 33.154 | 35.145 | 37.456 |
| 1990 | 77.494 | 62.815 | 58.214 | 58.638 | 60.941 | 63.959 |
| 1980 | 128.898 | 102.569 | 93.943 | 93.239 | 95.515 | 99.02 |
| 1970 | 155.724 | 120.6 | 108.762 | 106.432 | 107.692 | 110.321 |
