At least one group -- Olentangy school officials -- thinks the addition of speed tables isn't slowing or reducing traffic on Carriage Road.

At least one group -- Olentangy school officials -- thinks the addition of speed tables isn't slowing or reducing traffic on Carriage Road.

Another group, Liberty Township firefighters, thinks the tables do slow traffic, but they could damage fire trucks.

School district spokesperson Amanda Morris said prior to this year's installation of the speed tables, the school bus stopped at students' individual homes on the roads.

"(At the beginning of the school year), we changed that to group stops for an overall cost-efficiency and because we thought the tables would decrease the traffic and it would be slower moving in the area," she said.

However, last week the school district returned to individual home stops on Carriage and Wren "because the belief that the traffic would slow and (tables would) reduce moving traffic has not happened," she said.

Liberty Township agreed to have the tables installed after 60 property owners along Carriage -- 76 percent of homeowners -- signed a petition submitted last year by Westchester homeowners' association president Jim Bresnahan. Residents said through traffic was using the road as a short-cut.

The tables were installed by the Delaware County engineer's office, which said the tables -- wider and not as tall as speed bumps -- were designed to let vehicles pass comfortably at 25 mph, while preventing higher speeds.

Despite that assessment, one student said her back hurt after a bus went over a table at 10 or 15 mph on Wren Lane, according to a district incident report.

"The speed tables had been installed (on May 28) between the morning pickup and the afternoon dropoff. The driver went over them at about 10-15 mph," Morris said.

After the incident, Andy Kerr, executive director of the district's operations and facilities, asked the township to make the tables "less aggressive." Township administrator Dave Anderson said the township agreed.

Morris said, "We feel it's safe for our buses to go over them at 10-15 mph and that's what we've instructed our drivers to do."

Liberty Township fire chief Tim Jensen said as a rule, the firefighters don't like speed tables, but his trucks don't routinely use Carriage Road, anyway.

The road is "curvy with blind corners" and "folks ride their bikes or walk along those roads," Jensen said.

"Just driving at regular speeds, a large vehicle is a bit of a challenge, let alone if you're operating it to cut through over to (Route) 315," he said. "When you look at the size and braking of these vehicles, it's much easier for us to go from Liberty to Home Road to 315 to go south to Daventry" Lane area, even without speed tables.

Jensen said his studies show each speed table adds 10-12 seconds to emergency vehicle response times. The tables also cause belted firefighters to bounce around, he said, and risk damage to fire truck suspensions, especially if such roads are used daily.

Delaware County sheriff Walter Davis III said he does not anticipate speed tables will interfere with his deputies' ability to respond to emergencies.

"Deputies are aware of the locations of speed tables and can anticipate encountering them."

Davis said. "Through training, education and experience, first-responders are able to arrive quickly, while not creating any additional risk to the public or themselves."

Jensen said former fire chief (John) Bernans told trustees about firefighters' objections to the tables, "so we work around it. It's a trade-off. The folks are looking for certain speeds in their neighborhood, but they slow down everybody."

Jensen said his crews still can reach Daventry Lane and Carriage Road residences within the ideal response range of six minutes.