SAN FRANCISCO (CBS SF) — Starting next month the cost of a San Francisco Municipal Railway pass on riders’ Clipper Cards will go up.

Starting June 17, the price of an adult fast pass and an adult Muni-only pass will increase by $2 up to $76 and $66, respectively.

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The senior and youth passes will be $23 per month, a $1 increase.

The new costs will go into effect for riders purchasing passes for the month of July.

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Muni spokesman Paul Rose said the rate increase was scheduled in 2011 as part of the city Municipal Transportation Agency’s two-year budget.

The increased cost for the Muni passes is based on inflation rates, Rose said.

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