| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| passenger railroads in the us | 0.9 | 0.7 | 6773 | 3 |
| passenger railroads in usa | 1.65 | 0.6 | 8689 | 63 |
| map of passenger railroads in the us | 1.32 | 0.2 | 5887 | 96 |
| railroads in the us | 0.69 | 0.3 | 5461 | 95 |
| passenger rail in the us | 1.21 | 0.4 | 9100 | 48 |
| railroads in the united states | 0.05 | 0.9 | 5519 | 84 |
| passenger rail in the united states | 0.36 | 1 | 7585 | 65 |
| railroads in the usa | 0.35 | 0.2 | 7140 | 69 |
| list of railroads in the us | 0.03 | 0.8 | 1080 | 42 |
| passenger trains in the us | 0.26 | 0.2 | 2274 | 21 |
| passenger trains in the united states | 0.08 | 0.2 | 8539 | 4 |
| list of railroads in the united states | 0.16 | 0.1 | 4948 | 91 |
| major railroads in the united states | 1.71 | 0.1 | 7766 | 44 |
| major railroads in us | 0.48 | 0.1 | 924 | 35 |
| list of railroads in usa | 1.31 | 0.4 | 1215 | 34 |
| railways in the united states | 1.1 | 0.9 | 8516 | 54 |
| all railroads in america | 1.15 | 0.4 | 1960 | 58 |
| passenger railways in usa | 1.38 | 0.2 | 794 | 34 |
| railroad passenger cars for sale in usa | 1.62 | 0.7 | 1111 | 58 |
