| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| transportation research record quartile | 0.72 | 0.8 | 2340 | 62 | 39 |
| transportation | 1.28 | 0.2 | 3212 | 79 | 14 |
| research | 0.35 | 0.3 | 8618 | 67 | 8 |
| record | 0.51 | 0.4 | 7235 | 29 | 6 |
| quartile | 0.29 | 0.2 | 5816 | 34 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| transportation research record quartile | 0.46 | 0.7 | 4456 | 72 |
| quantitative research about transportation | 0.86 | 0.1 | 1758 | 30 |
| trr transportation research record | 1.17 | 1 | 3676 | 44 |
| qualitative research about transportation | 1.07 | 0.4 | 5068 | 35 |
| transportation research record iso4 | 0.85 | 0.5 | 7924 | 76 |
| research for railway transportation | 0.01 | 0.4 | 1625 | 82 |
| transportation research record submission | 1.62 | 0.9 | 5890 | 28 |
| transportation research record submit | 1.24 | 0.4 | 9350 | 60 |
| transportation research information database | 0.27 | 0.7 | 2068 | 76 |
| research paper about transportation | 1.56 | 0.5 | 108 | 72 |
| transportation research part a general | 1.14 | 1 | 3554 | 8 |
| public transportation research paper | 0.71 | 0.8 | 6555 | 10 |
| materials research express quartile | 0.13 | 1 | 4630 | 65 |
