According to the U.S. Bureau of Labor Statistics, prices for intracity transportation were 1.05% higher in 2020 versus 2018 (a $0.21 difference in value).

**Between 2018 and 2020:** Intracity transportation experienced an average inflation rate of 0.52% per year.
In other words, intracity transportation costing $20 in the year 2018 would cost $20.21 in 2020 for an equivalent purchase.
Compared to the overall inflation rate of 1.37% during this same period, inflation for intracity transportation was
lower.

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for *Intracity transportation*:

Year |
2018 | 2019 | 2020 |

CPI |
319.821 | 323.311 | 323.172 |

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Below are calculations of equivalent buying power for Intracity transportation, over time, for $20 beginning in 2018. Each of the amounts below is equivalent in terms of what it could buy at the time:

Year | USD Value | Inflation Rate |
---|---|---|

2018 | $20.00 | - |

2019 | $20.22 | 1.09% |

2020 | $20.21 | -0.04%* |

CPI in 2020 / CPI in 2018 * 2018 USD value = 2020 USD value

Then plug in historical CPI values from above. The CPI for Intracity transportation was 319.821 in the year 2018 and 323.172 in 2020:

323.172 / 319.821 * $20 =

Therefore, according to U.S. Bureau of Labor Statistics, $20 in 2018 has the same "purchasing power" as $20.21 in 2020 (in the CPI category of Intracity transportation).