Caltrans, which establishes speed limits on state highways, proposes raising limits in both southbound and northbound directions based on a recent speed survey taken from Via Mentone in Dana Point north to Newport Coast Drive, which includes Laguna Beach.
Caltrans also seeks to boost the southbound speed limit to 50 mph from the city's northern limits to Emerald Bay and southbound from Aster Street to Boat Canyon Drive to 40 mph.
"In general, speed limits are based on measurements of speeds that drivers actually travel during ideal conditions," the staff report said. "The speed limit for a particular road segment is then set at the nearest 5 mph increments from the speed equal to or below that which 85% of drivers travel."
The survey, included with the staff report on the city's website, indicates that drivers speed in certain sections and average about 5 miles above the current limit.
A majority of the few speakers present voiced concern with raising the speed limit. Some residents cited provisions in the state vehicle code that require cities to consider highway, traffic and roadside conditions not readily apparent to the driver, along with pedestrian and bicycle safety.
"Retaining lower speed limits improves safety for all pedestrians, cyclists and drivers traveling in and through our communities," Emerald Bay Community Assn. community manager John Fox wrote in a letter to the city.
Liz Avalon, the association's planning director, presented the letter to the council during Tuesday's meeting.
"The number and severity of accidents on this roadway is of serious concern, with very real dangers. This was demonstrated just recently on Jan. 26, 2014, with an accident that left one dead and four injured on this same section of roadway where the speed limit increase is currently proposed."