
(As promised on 6/21/23.)
Police Chief David Kole admitted at the beginning of his talk on speed bumps/humps at the Town Council’s June 20 morning workshop meeting that he is “not a big fan” of such traffic-calming devices, and he expected to face an “uphill battle” in his research about their use on residential streets in Southern Shores. To his surprise, however, he discovered that “the majority of the data that I found discourages speed bumps.”
It was at this point, about 20 seconds into the Chief’s talk, that we believe he went wrong, and not just because he admitted to a bias that should have disqualified him from doing the Google research on bumps and humps that he did.
No, he went wrong because he focused on speed bumps, not humps, and he obscured the significant differences between the two throughout his talk. We now know this because we’ve done our Google research.
If the Town Council, which took no action last week, truly wants to respond to residents’ concerns about speeding—concerns that prompted the Chief’s “research”—it needs to focus on the use of speed humps on certain blocks of certain streets and talk to a traffic engineering expert like the one it previously hired to study the town’s traffic. Speed bumps are not appropriate.
To her credit, Mayor Elizabeth Morey consistently referred during the Council’s half-hour discussion with the Chief to speed humps as the option to consider in Southern Shores, but she was alone in doing so, and she didn’t correct her colleagues, who expressly rejected bumps! Going just by what Chief Kole told them, the other Council members could not know the difference.
Present for the meeting were Councilwoman Paula Sherlock and Councilmen Leo Holland and Mark Batenic, none of whom lives on a street in the soundside woods or dunes on which residents regularly see speeding vehicles throughout the week/year, as well as on cut-thru summer weekends, which was the Council’s focus.
Mayor Pro Tem Matt Neal, who did not attend, lives at the uncongested southern end of a cut-thru street and has attested publicly many times to the speeding he has witnessed. His participation was greatly missed.
BUMPS VS. HUMPS; ABRUPT VS. GRADUAL . . . IT’S IN THE DESIGN
We begin our critique of Chief Kole’s presentation by quoting from an e-primer lesson plan on traffic calming offered by the U.S. Dept. of Transportation’s Federal Highway Admin. (FHWA), about “bumps, humps, and other raised pavement areas.” According to the FHWA, which was one of Chief Kole’s primary sources:
“Although people often gripe about the inconvenience of having to slow down for these devices, they don’t have much choice [when they are present]. Their effectiveness at slowing traffic cannot be disputed. They are sometimes referred to as Silent Policemen.”
The FHWA says that bumps are raised areas “extending transversely across the travel way, generally with a height of three to six inches and a length of one to three feet.”
In contrast, humps “normally have a minimum height of three to four inches and a travel length of approximately 12 feet, although these dimensions may vary.”
Transversely means the bumps and humps extend from one side to the other side of a roadway. Length refers to the width of the bump or hump that a vehicle drives over.
Elsewhere online, we found the FHWA describing speed bumps as more “aggressive” and “abrupt” than speed humps and “generally located in private driveways or parking lots,” not on residential streets.
Speed humps, it notes, are “more gradual, larger in profile [i.e., width], and lower” than speed bumps and typically found on “low-speed roadways,” such as “residential or local streets.”
According to the National Association of City Transportation Officials (NACTO), humps typically reduce speeds to 15 to 20 mph. Speed bumps, it says, generally result in vehicles slowing to 5 mph or less at each bump.
Although Chief Kole acknowledged that humps are a “popular traffic-calming technique,” he only differentiated between humps and bumps by the “raised reflective bar that’s put across the street.” That doesn’t begin to probe how these devices are designed and used, the pros and cons that each presents, and how and whether the preferred hump could be appropriately authorized and installed on speed-happy blocks of Sea Oats Trail, Wax Myrtle Trail, East Dogwood Trail, South Dogwood Trail, Hickory Trail, or another residential road.
The Chief said that these devices must be placed at one-mile intervals in order to be effective. According to the FHWA, the recommended spacing for bumps is 300 to 500 feet; for humps, it’s 300 to 600 feet.
Besides defining the two devices, the FHWA also provides design considerations for each, instructing, for example, that bumps are not conducive to bicycle travel and should be used only in apartment complexes, parking lots, and on private streets and driveways. As for humps, they should be visible at night, adequately marked and alerted with signage for drivers, and not located near driveways—just for starters. A traffic engineer can design and place a speed hump to minimize noise to neighbors.
Many of the “cons” that Chief Kole cited generally to discourage the use of bumps or humps on Southern Shores streets simply don’t hold up to scrutiny when design is considered.
For example, he said that all such raised bars can result in injuries to motorcyclists and bicyclists, and cause damage to vehicles, ruining brakes, shock absorbers, and suspension. This might be true if a cyclist or driver were to speed excessively over an abrupt bump, but the gradual slope of a hump protects against such damage.
According to the NACTO, “Speed humps have evolved from extensive research and testing and have been designed to achieve a specific result on vehicle operations without imposing unreasonable or unacceptable safety risks.” Bumps, however, have been installed “without the benefit of proper engineering study regarding their design and placement,” it says.
Chief Kole also said humps and bumps slow the response time of emergency vehicles, such as fire trucks and ambulances. He cited a study out of Miami (of all places!) that suggested they (again, lumped together, not differentiated) slow such vehicles by 10 seconds.
We have seen three to five seconds cited in NHWA articles as the decline in emergency-vehicle response time in urban settings and think a traffic engineer would be better able to evaluate how the placement of a hump or two on little Wax Myrtle Trail, for example, would affect this time.
Obviously, as the NACTO points out, speed humps should not be used on primary emergency vehicle routes. It is also obvious in Southern Shores that response time varies considerably depending on whether the emergency occurs on a summer weekend or another time of the year.
At a Town Council morning workshop last June, Chief Kole disputed residents’ contentions about speeding on South Dogwood Trail, using language and data similar to what he used last week. (See The Beacon, 6/23/22.)
It is unfortunate that, just like a year ago, the information that the Chief displayed on overhead projection at the June 20 meeting could not be viewed on You Tube because there was no videographer present to zoom in on them. The camera remained stationary throughout the meeting. We live-streamed the meeting; we did not attend it.
We would like to see a written report from the Chief, with citations, posted on the Town website.
PEOPLE’S PERCEPTION OF SPEED IS FLAWED
Putting aside the bump-hump bungle, we turn to what Chief Kole said after he presented his biased research on traffic-calming devices. In short, he said he doesn’t believe speeding is occurring to the extent that residents claim it is. He essentially insulted his public.
“I’m not going to stand here and tell you that cars don’t speed, but . . . they don’t speed like people think they do,” the town’s top law enforcement officer told the Town Council. “The same people who are complaining about the speeds are the same ones who will call the next week and go, ‘What are you going to do? I can’t even get out of my driveway. The cars are bumper-to-bumper.’
“Well, they’re either bumper-to-bumper, or they’re speeding. They can’t be both.”
The Chief said this same thing a year ago, and we wrote then: “We see no inconsistencies in these reports. Clearly, motorists can’t speed when the traffic is at a standstill, but they can, and they do, when the traffic opens up during non-peak hours on the weekends.”
We daresay there’s not a resident on the summer cut-thru route who hasn’t witnessed both speeding and bumper-to-bumper traffic on the same day. Mayor Morey surely knows this. She’s been door-to-door campaigning for two elections and has heard these complaints, just like we have. It happens. Speeding on Southern Shores residential roads is rampant, and it doesn’t matter whether locals or vacationers are doing it.
For the Chief to say, again last week, that “a lot of people’s perception of speed is a lot different than reality” is offensive. Motorists may not be traveling at 50 mph on Wax Myrtle Trail, as the Chief claims a “few squeaky wheels” who contact the police department seem to think, but they are speeding at 35 or 40 mph. It doesn’t take radar to figure that out.
When asked by Mayor Morey what the Chief would recommend, in lieu of speed humps, to curb speeding on Sea Oats Trail or Wax Myrtle Trail on what she called summer “change-out days,” the Chief responded by criticizing pedestrians and bicyclists on the road.
PEOPLE SHOULD GET OFF THE ROAD
“A lot of people don’t even know what side of the road to walk on any more . . .,” he replied, “let alone the bikes, [which don’t observe the rules of the road].”
His suggestion, he continued, was “On a Saturday or Sunday changeover, don’t be riding your bike in the road and be walking with your kids in the road on a Friday or Saturday in the summer.
“In North Carolina, the pedestrian is supposed to, when able,” he continued, “to yield the right of way to the oncoming vehicle, but when we can’t even get people to walk on the right side of the road, they don’t even know the vehicle is coming until it’s too late.”
The Chief is referring to N.C. General Statutes section 20-174, which applies to pedestrians crossing roadways at places other than crosswalks (they must yield to all traffic in the road) and to pedestrians walking on roadways where sidewalks are or are not provided.
He has referred to this right-of-way issue before. We now detail it.
Where sidewalks are provided, it is unlawful in North Carolina for pedestrians to “walk along and upon an adjacent roadway.” They must use the sidewalk. However, where sidewalks are not provided, any pedestrian “walking along and upon a highway shall, when practicable, walk only on the extreme left of the roadway or its shoulder facing traffic which may approach from the opposite direction. Such pedestrian shall yield the right-of-way to approaching traffic.” (NCGS 20-174(d))
“Practicable” is one of those legal words that is subject to differing interpretations, depending on who is spinning the facts.
Notwithstanding this provision, the statute also states that “every driver shall exercise due care to avoid colliding with any pedestrian upon any roadway, and shall give warning by sounding the horn when necessary, and shall exercise proper precaution upon observing any child or any confused or incapacitated person upon a roadway.” (NCGS 20-174(d))
It’s not open season on pedestrians, regardless of whether they walk with or against the traffic.
“I think,” the Chief continued, “a lot of the frustration is not necessarily the speeding. They [i.e., residents] use that because that’s the ‘I got your attention’ word, but I think the biggest complaint is the volume of traffic and I get it. It’s a lot, but I also knew that when I moved to the beach 15 or 16 years ago . . . [This is the ‘What did you expect?’ rationale for police inaction.]
“I would just recommend that if they’re going to walk in the road, they need to yield the right-of-way to the vehicles, and I wouldn’t be out riding my bike” on the road.
‘THERE’S NOT A SPEEDING PROBLEM’
The Mayor tried again to get Chief Kole to address slowing vehicles down, asking “What’s our next best choice” to speed humps?
At last, the Chief mentioned “enforcement,” but quickly observed that “we don’t have enough manpower.”
It is unclear how many officers the Town has available because the Chief, when asked later about the strength of his force, only replied “We’re still down three.” The Mayor and Town Council may know what that “down three” number is, but the public doesn’t. He also mentioned a fourth position that will be vacant another two months because of an employee’s maternity leave.
But even if he had the resources, the Chief wouldn’t need to use them because, he maintained, “The data I have shows there’s not a speeding problem. I’m sorry.”
What data, you ask?
Chief Kole cited “average speed” data “starting Memorial Day weekend,” which, as you may recall, was very congested on the cut-thru route. We don’t believe the data to which he referred last week included subsequent weekends in June, but they may have. He was unclear about that.
In any case, the Chief’s average speeds were: 21 mph, on Hillcrest Drive; 12 mph, on Sea Oats Trail; and 19 mph, in the 200 block of Wax Myrtle Trail. He said that 85 percent of the motorists on Hillcrest Drive during the time frame he was using averaged a speed of 25 mph. On Sea Oats, the 85th percentile was 18 mph, and on Wax Myrtle, it was 25 mph.
We don’t believe average speeds tell the tale: There is no way to know with an average whether a northbound motorist travels on Wax Myrtle or Sea Oats at between 35 mph to 50 mph at noon on a Saturday and a late-arriving motorist travels the same roadway, now congested, at just 5 or 10 mph at 4 p.m. We also would like to know how these averages are computed.
Even the Chief admitted: “I’m not saying that cars aren’t speeding, but I can tell you that the majority of the vehicles aren’t speeding.”
We don’t believe any “squeaky wheel” suggested that the majority of motorists who travel the cut-thru route are speeding. We also don’t believe the speeding problem is just on weekends.
Councilman Holland, who did not attend the June 2022 workshop meeting, asked the Chief to post his average-speed data on the Town website. We haven’t seen anything yet. But it doesn’t matter if all he has to offer are data from one day, or one weekend, out of one year.
USE A LITTLE COMMON SENSE: CHA-CHING!
Having dismissed the speeding issue, the Chief concluded by admonishing residents to “know the rules of the road, walk on the correct side,” and “just use a little common sense.”
He played a variation of the blame-the-victim game, we think.
Councilwoman Sherlock quite reasonably asked the Chief about the use of speed cameras instead of speed bumps or humps. His reply: “Cha-ching!”
Cha-ching! That’s all he had on the subject, except the observation that some states have banned such cameras.
According to our research, North Carolina is not one of them.
How much exactly, Chief Kole, is cha-ching? A dollar figure would be helpful. Certainly, a camera would be simpler to install than a hump.
The cost of speed cameras, and the revenue they might bring in, would be interesting data points to research. Maybe the Town Manager can look into it.
HAPPY FOURTH OF JULY, EVERYONE.
Ann G. Sjoerdsma, 6/29/23




