PORTLAND — There’ll be a lot of traffic on the Maine Turnpike for the three-day Columbus Day holiday weekend.

Columbus Day weekend is usually the second-busiest weekend of the year for the turnpike, behind Labor Day weekend.

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Maine Turnpike Authority spokesman Dan Morin says most people are surprised when they learn that.

The highway had more than 950,000 toll transactions during the Friday-through-Monday weekend in 2010 and 2011, and about 922,000 last year, when the weather wasn’t so good.

By comparison, there were 971,000 toll transactions on Labor Day weekend this year.