Protests over voter-approved Proposition 8 dominated the news this weekend up and down California.
Thousands marched in San Diego and Los Angeles Saturday.
Hundreds more took the street of Oakland on Sunday.
The ballot proposition amends the California constitution to define marriage as between a man and a woman.
A group of approximately 500 people protesting the proposition temporarily closed the onramp and offramp to state Highway 13 at Lincoln Avenue.
Protesters were gathering in the vicinity of the Church of Jesus Christ of Latter-day Saints on Lincoln Avenue.
They forced CHP officers to restrict vehicular traffic to and from the area by closing access to state Highway 13 for almost four hours, CHP officer Ralph Caggiano said.
The CHP closed the ramps at 10 a.m. when about 500 protesters, opponents to Proposition 8, peacefully gathered near Oakland's Mormon temple, Caggiano said.
The ramps were reopened at about 1:45 p.m. when the protesters began to dissipate, Caggiano said.
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On Friday, thousands of people marched in San Francisco. They ended the rally by blocking a main intersection in the Castro District. Some even spent the night in the intersection and slept while police kept cars away from them.
By changing the state constitution to limit marriage to a man and a woman, Proposition 8 overturns a California Supreme Court decision in June that overturned a 2000 ban and legalized same-sex marriage.
Since then, an estimated 18,000 gay and lesbian couples have been married.
Also over the weekend, Idaho's role in the issue became clear.
Campaign finance reports show Idaho residents contributed more than $400,000 to a Web site-based campaign in support of banning gay marriage in California.
California Secretary of State records show dozens of Idaho residents sent $10,000, $5,000 and $1,000 donations to ProtectMarriage.com, an online-based campaign in support of the ban.
The ProtectMarriage.com campaign collected a total of about $40 million for its Yes on Proposition 8 campaign, according to a statement posted on its Web site.
The Idaho donations were collected in a span of less than two weeks, beginning on Oct. 27 and ending on Election Day, and a bulk of the money came from the eastern region of the state.
