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September 08, 2009

Comments

Toby

'"Speeding is something that occurs throughout the city," Lopez said. He noted that "issues of speeding have popped up" in certain communities, and claimed those communities are getting extra units in areas "where we feel [it] is needed," though he didn't get more specific than that.'

I think the police department can do a little better than "feelings". The major vendors of radar speed signs all offer data collection packages, which would allow the police to track:

- Max traffic speeds
- Average traffic speeds
- Traffic time/speed intervals
- Number of vehicles above traffic speed limit
- Total number of vehicles

By deploying the speed signs in a systematic way around the city, the police can determine where the problem areas are with a high degree of accuracy. Seems like a no-brainer...

Steve Graff

We just got a radar speed sign installed on Trinity Ave. in Old North Durham. I've also noticed new signs getting installed on Duke and Gregson in Trinity Park. I did wonder if the signs stored the gathered speed data.

So far, some drivers do in fact slow down when they see their speed. Most, however, ignore it and continue to blast down the street.

Michael Bacon

Late in catching up on my blogging, but I wanted to comment on this.

Based on what I've seen in time series of crime data in Durham, I'm not surprised that crime is going down overall, complaints about burglaries are up, burglaries are up in Colonial Village, the Bull's Eye district has seen crime plummet, and residents there still don't feel safe at night.

The answer lies in this fact: during the 80's and 90's, East Durham was allowed (by a number of parties) to turn into a living hell. The residents there had little political influence, influential voters of both races were fleeing to the outlying areas, and disinvestment ran rampant as all the development and infrastructure went to places like New Hope Commons and Woodcroft. The crack epidemic and the arrival of the LA street gangs of course made everything an order of magnitude worse. This was all written off as the problem of the inner city, until the stories of toddlers getting killed by stray bullets and gunfire at funerals became too embarrassing for the city (government and polity) to ignore.

The combination of HOPE VI (a program with few fans in the urban geography circles I read in) and programs like Weed and Seed and Bull's Eye finally succeeded in reversing the trend in East Durham. Between 2002 and 2004, the area around Few Gardens saw a decline in violent crime by over half. Even after this, however, it was still the most dangerous place in the city.

The crime maps I made then showed something else, too. As crime fell out of the sky-high levels in NECD, it popped up a little bit in other parts of the city, particularly where disadvantaged populations already lived. One place that it popped up was Colonial Village, which was, connection or no, followed shortly by the emergence of a very vocal anti-crime phalanx of activists from that neighborhood.

The story of this decade and crime in Durham has been some insanely dangerous neighborhoods finally getting the attention they desperately deserved and seeing declines in crime, followed by crime creeping up in more established working class neighborhoods, followed by neighborhood outcry in these new neighborhoods, while the overall trend continues to be downward. This means that the most vocal and well-connected residents, those most likely to complain to city council, are seeing an uptick in crime. In some ways, perversely, this is a good thing. Crime is now being driven out of neighborhoods of residents who lack the wherewithall to effectively resist, and is moving into neighborhoods that have the power to fight back, meaning we get lower crime overall in the Bull City.

There's a caveat to all of this. The first and most obvious one is that it's not enough for neighborhoods like Colonial Village to be noisy -- they badly need DPD support to respond to the burglaries. The other is, where else is crime ticking upwards? Is there another Few Gardens area out there where crime is going up but the residents aren't making noise about it? The answer lies in the maps, which I unfortunately don't have the time (or currently an ArcGIS installation) to make myself.

(I should add one note -- pay no attention whatsoever to small upticks or downticks in the homicide rate in Durham. Unless it's a big change, it's noise. The multi-year trend is the only thing worth paying attention to here.)

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