The San Francisco Municipal Transportation Agency is reminding customers that the prices of Muni monthly passes and visitor passports will go up at the start of 2010.

The Adult “A” Fast Pass, which is also valid for travel on BART within San Francisco city limits, will increase from $55 to $70, while a new Muni-only monthly pass, the “M” Fast Pass, will be sold for $60, according to Muni officials.

The cost of a monthly pass had increased to $55 from $45 on July 1, when cash fares also increased to $2 from $1.50. Now the pass will cost an additional $15 for customers who want to continue using it to access BART.

The “M” Fast Pass is a new item that will go into effect on Jan. 1, and is recommended for customers who use BART within the city only a handful of times per month.

Passports for one-day, three-day and seven-day time periods will also increase at the start of the year. The one-day passport will jump from $11 to $13, the three-day passport will jump from $18 to $20, and the seven-day will jump from $24 to $26.

“We sincerely regret the need to increase fares in these challenging economic times,” SFMTA executive director Nathaniel Ford said in a statement.

“Our focus now is on making sure our customers understand which Fast Pass is right for them so they are only paying for the transit service they use,” Ford said.

The increases were adopted earlier this year to help close a $129 million deficit for the fiscal year that began July 1, according to Muni officials.

For more information on the increased prices, or to buy a monthly pass online, visit www.sfmta.com.

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