| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| california railroad history | 0.43 | 0.5 | 3328 | 7 | 27 |
| california | 1.41 | 0.8 | 6132 | 12 | 10 |
| railroad | 1.89 | 0.5 | 3669 | 19 | 8 |
| history | 1.39 | 0.3 | 6701 | 83 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| california railroad history | 1.45 | 0.8 | 9064 | 80 |
| california railroad history timeline | 0.8 | 0.5 | 5977 | 96 |
| history of railroads in california | 1.91 | 0.1 | 5204 | 83 |
| first railroad in california | 1.01 | 0.1 | 9682 | 98 |
| california high speed rail original timeline | 0.43 | 0.4 | 2365 | 59 |
| history of california timeline | 1.53 | 0.1 | 5791 | 34 |
| us railroad history timeline | 1.82 | 1 | 5393 | 59 |
| early california history timeline | 1.23 | 0.7 | 9012 | 7 |
| california high speed rail timeline | 1.45 | 0.1 | 6066 | 22 |
| history of us railroads timeline | 0.92 | 0.8 | 2219 | 4 |
| california high speed rail history | 1.61 | 0.5 | 2353 | 57 |
| california high speed rail project timeline | 1.02 | 0.8 | 4803 | 31 |
| when did the railroad start | 1.65 | 0.8 | 2099 | 9 |
| california high speed rail progress timeline | 0.39 | 0.9 | 712 | 100 |
| railroad lines in california | 0.48 | 0.5 | 1964 | 72 |
| when did the railroad begin | 1.8 | 0.2 | 2084 | 39 |
