May 10, 2021 / 264 Comments / Current Events

This week, Calgary City Council voted in favour of several new traffic safety initiatives, including consideration of speed-reductions in residential areas, specifically on un-marked side-streets.
As a result, over the next year, we’ll be researching the benefits and costs of reducing speeds on these roads to either 30 km/h or 40 km/h, and providing opportunities for you to give us feedback.

While this will be an important conversation, our Safer Mobility Plan is not just about reducing speeds. We’ve implemented safety programs and pilots that aim to keep pedestrians, cyclists, motorists and vehicle occupants all safer on Calgary streets.

Here’s a look at some of the work we’re doing:

Adaptive Sidewalks

An adaptive sidewalk
along 73 Street SW

In 2017 and 2018, we built four adaptive sidewalks as a way to provide a safe, dedicated space for pedestrians by altering streets.


Adaptive sidewalks are used where there’s no existing sidewalk, or we can’t build a traditional one. They’re intended for pedestrians, including people who use mobility scooters, wheelchairs, strollers or children under the age of 14 on bicycles.


As part of the Pedestrian Strategy, we are also looking for ways to build missing connections within the sidewalk network. Adaptive sidewalks will help eliminate some of the sidewalk gaps or missing links that exist in our sidewalk network. Providing these connections will help people walking to safely connect to the destinations they are travelling to.


Leading Pedestrian Interval (LPI)

The STEP FORWARD action framework

We are currently doing a trial on Leading Pedestrian Interval (LPI), which is another of the actions of Calgary’s pedestrian strategy.

The Leading Pedestrian Interval (LPI) is a technique of timing traffic signals to give pedestrians an advanced walk signal. These give pedestrians a 3-7 second head start over turning vehicles, allowing them to clear the crosswalk earlier and keeping them safer when navigating intersections.

 


LPIs also enhance the visibility of pedestrians in the intersection and reinforce pedestrian right-of-way over turning vehicles, especially in locations with a history of conflicts. LPIs have been shown to reduce pedestrian-vehicle collisions as much as 60% at treated intersections.

LPIs are being implemented at several locations across Calgary so that we can study their performance locally.
Rectangular Rapid Flashing Beacons (RRFBs)

An RRFB at a crosswalk

Since 2012, The City has installed 131 pedestrian RRFBs (Rectangular Rapid Flashing Beacons) at crosswalks across Calgary. These flashing light crossings are expected to improve vehicle-yielding compliance to pedestrians and pedestrian safety. 

Calgary is the national leader in implementation of RRFBs and we received the Transportation Association of Canada Road Safety Engineering Award for the RRFB Pilot. In the next several years, we’ll evaluate the RRFBs to see what safety benefits they provide in terms of collisions and injury reduction.

Traffic calming curbs

Installing traffic calming curbs

Over the past three years, we’ve installed temporary traffic calming curbs (yellow, oval concrete blocks) at more than 60 locations, including intersections and corridors.  Traffic calming curbs have been shown to reduce speeds, reduce pedestrian crossing distance, improve pedestrian visibility (resulting in improved vehicle yielding to pedestrians), improve stop sign compliance, and reduce collisions.

We’ll continue to monitor the effectiveness of these curbs and make recommendations on more permanent solutions moving forward.

Automated/video-based conflict analysis (VBCA)

We are trialing the new automated video-based conflict analysis technology which is capable of analyzing video recordings of an roadway to examine collision data between road users. This new source of data is particularly useful in studying interactions involving vulnerable road users, which are often less frequent, but of high severity. In addition, details of events leading up to a conflict help us understand site conditions and choose the most appropriate solution to resolve the issue.

VBCA can also be used to evaluate the effectiveness of trials of new and emerging countermeasures and enables automated data collection techniques, such as volume counts, speed measurements, and violations.

School Zone/Playground zone harmonization

Between 2014 and 2016, we changed 197 school zones into playground zones to make the rules clearer for Calgarians. A study by the University of Calgary found that the harmonization resulted in a reduction in speeds and an increase in speed compliance is linked to improved safety for all road users.

After these areas were turned into playground zones, we found:

The mean speed decreased from 36 km/h to 30 km/h.Overall, the number of collisions involving pedestrians within school and playground zones decreased by 33%, with a 70% decrease between 5:30 p.m. and 9 p.m.

Additional work

Other improvements made to improve traffic, pedestrian and cyclist safety include:

Continuing to review high pedestrian-collision locations and implementing improvements, which include signal improvements, ladder crosswalks, lighting improvements, among others.

Installing supplementary side-mounter flashers at pedestrian corridor (overhead flasher) crosswalks to improve safety and visibility.

Piloting fluorescent yellow-green pedestrian crosswalk signs as part of a national TAC study.

Implementing and investigating reflective sleeves at pedestrian crosswalks.  So far, findings indicated a positive impact to yielding compliance.

Expanding the SLOWS program – these are the speed trailers on the side of the road that shows motorists how fast they are going.


Provide your input at our Traffic Safety Meetings

In 2019, The City will engage Calgarians on recommendations to change the speed on some residential roads to either 30 km/h or 40 km/h.

Prior to that, we will continue to hold Ward Traffic Safety Meetings at which you will have an opportunity to provide us with your thoughts on speed, traffic calming, playground zones and trouble spots.

And you do not need to live in the Ward to attend these meetings – they are open to everyone. For more information about these meetings including dates, times and locations, visit the Ward Traffic Safety Meetings page on Calgary.ca

264 thoughts on “Speed limit reductions: they’re just one small part of The City’s traffic safety strategy”

  257. Donaldtrabe

    equilibrador
    Equipos de ajuste: clave para el operación suave y óptimo de las equipos.

    En el campo de la avances avanzada, donde la productividad y la confiabilidad del sistema son de máxima importancia, los dispositivos de calibración desempeñan un tarea vital. Estos aparatos específicos están diseñados para balancear y estabilizar elementos móviles, ya sea en maquinaria productiva, vehículos de desplazamiento o incluso en equipos hogareños.

    Para los especialistas en conservación de sistemas y los técnicos, manejar con aparatos de ajuste es importante para proteger el operación fluido y estable de cualquier mecanismo dinámico. Gracias a estas opciones innovadoras modernas, es posible limitar notablemente las sacudidas, el zumbido y la tensión sobre los sujeciones, extendiendo la vida útil de piezas valiosos.

    También importante es el tarea que juegan los sistemas de calibración en la asistencia al cliente. El asistencia experto y el reparación regular empleando estos dispositivos habilitan proporcionar asistencias de óptima calidad, mejorando la contento de los usuarios.

    Para los dueños de negocios, la financiamiento en estaciones de ajuste y dispositivos puede ser importante para optimizar la productividad y rendimiento de sus aparatos. Esto es particularmente trascendental para los dueños de negocios que gestionan modestas y modestas empresas, donde cada aspecto cuenta.

    Por otro lado, los dispositivos de balanceo tienen una gran uso en el área de la prevención y el monitoreo de estándar. Habilitan detectar eventuales fallos, reduciendo reparaciones costosas y problemas a los aparatos. Incluso, los indicadores extraídos de estos aparatos pueden emplearse para maximizar sistemas y potenciar la visibilidad en plataformas de investigación.

    Las sectores de uso de los aparatos de balanceo cubren diversas áreas, desde la manufactura de bicicletas hasta el control de la naturaleza. No afecta si se trata de importantes manufacturas productivas o modestos establecimientos caseros, los aparatos de calibración son fundamentales para asegurar un funcionamiento efectivo y sin presencia de detenciones.

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  264. PhillipBit

    El Equilibrado de Piezas: Clave para un Funcionamiento Eficiente

    ¿Alguna vez has notado vibraciones extrañas en una máquina? ¿O tal vez ruidos que no deberían estar ahí? Muchas veces, el problema está en algo tan básico como una irregularidad en un componente giratorio . Y créeme, ignorarlo puede costarte bastante dinero .

    El equilibrado de piezas es un procedimiento clave en la producción y cuidado de equipos industriales como ejes, volantes, rotores y partes de motores eléctricos . Su objetivo es claro: evitar vibraciones innecesarias que pueden causar daños serios a largo plazo .

    ¿Por qué es tan importante equilibrar las piezas?
    Imagina que tu coche tiene un neumático con peso desigual. Al acelerar, empiezan las vibraciones, el volante tiembla, e incluso puedes sentir incomodidad al conducir . En maquinaria industrial ocurre algo similar, pero con consecuencias mucho más graves :

    Aumento del desgaste en cojinetes y rodamientos
    Sobrecalentamiento de componentes
    Riesgo de colapsos inesperados
    Paradas sin programar seguidas de gastos elevados
    En resumen: si no se corrige a tiempo, un pequeño desequilibrio puede convertirse en un gran dolor de cabeza .

    Métodos de equilibrado: cuál elegir
    No todos los casos son iguales. Dependiendo del tipo de pieza y su uso, se aplican distintas técnicas:

    Equilibrado dinámico
    Ideal para piezas que giran a alta velocidad, como rotores o ejes . Se realiza en máquinas especializadas que detectan el desequilibrio en dos o más planos . Es el método más exacto para asegurar un movimiento uniforme .
    Equilibrado estático
    Se usa principalmente en piezas como ruedas, discos o volantes . Aquí solo se corrige el peso excesivo en una única dirección. Es rápido, fácil y funcional para algunos equipos .
    Corrección del desequilibrio: cómo se hace
    Taladrado selectivo: se perfora la región con exceso de masa
    Colocación de contrapesos: tal como en neumáticos o perfiles de poleas
    Ajuste de masas: común en cigüeñales y otros componentes críticos
    Equipos profesionales para detectar y corregir vibraciones
    Para hacer un diagnóstico certero, necesitas herramientas precisas. Hoy en día hay opciones accesibles y muy efectivas, como :

    ✅ Balanset-1A — Tu asistente móvil para analizar y corregir oscilaciones

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