Como a prioridade semafórica pode reduzir o tempo de espera no transporte público?

Actually, modern active TSP systems require very little equipment to be added for implementation. Modern transit vehicles already deploy active location tracking through the CAD/AVL system and provide this information via a GTFS feed. This information is accessed by a modern cloud based TSP system to identify the location of the vehicle and send a TSP request as a vehicle approaches an intersection behind schedule to the traffic signal controller via the cloud, and a singular TSP communication computer at the TMC providing secure connectivity between the cloud and the traffic signal controller for all connected city traffic signals. Location update frequency of the vehicle must be under 7 seconds for effective priority operation.

En somme, la priorité aux feux de circulation pour les transports en commun est un moyen efficace d'améliorer l'efficacité et l'attractivité des transports en commun pour les voyageurs, ce qui peut potentiellement encourager une plus grande utilisation des transports en commun et réduire la congestion des routes dans les centres urbains.

La priorité aux feux de circulation pour les transports en commun signifie que les feux de circulation sont équipées de dispositifs spéciaux pour détecter la présence de bus et de trams. Lorsqu'un bus ou un tram se rapproche d'une intersection, le feu de circulation passe au vert ou reste vert plus longtemps pour permettre au véhicule en question de traverser plus rapidement.

En donnant la priorité aux transports en commun, cela permet de réduire les temps d'attente aux feux de circulation, augmentant ainsi la vitesse commerciale et la régularité des transports. De plus, cela incite les gens à choisir les transports en commun plutôt que la voiture, car les temps de trajet sont plus fiables. En outre, cela réduit la congestion des routes et la pollution atmosphérique.

Traffic signal priority (TSP) is a technique that can help reduce these delays by giving public transportation vehicles more green time or less red time at intersections. TSP can improve travel time, reliability, and efficiency of public transportation systems, as well as reduce emissions and fuel consumption

Apart from the already mentioned wide benefits of TSP a secondary benefit would be for electric buses. As most of the cities are heading towards sustainable transport by adopting electric vehicles in Public Transport, the range of electric vehicles is crucial in increasing the effective operation range of EVs. Deployment of TSP would bring a substantial increase in the range as the idling and congestion time would be reduced. This enables the agencies to cover more routes with a lower number of buses and recharges.

Apart from the already mentioned wide benefits of TSP a secondary benefit would be for electric buses. As most of the cities are heading towards sustainable transport by adopting electric vehicles in Public Transport, the range of electric vehicles is crucial in increasing the effective operation range of EVs. Deployment of TSP would bring a substantial increase in the range as the idling and congestion time would be reduced. This enables the agencies to cover more routes with lower number of buses and recharges.

TSP requires modern traffic control equipment regardless of the type and technology deployed to provide priority capability. Often TSP deployments include traffic equipment upgrades which results in a more efficient and effective traffic control system improving traffic operations for all and reduces maintenance activities on agencies when extending the life of old outdated equipment.

Technological challenges are typically easily overcome as TSP deployments are tested across several agencies and equipment types. Institutional challenges are typically the bigger hurdles due to transit corridors often spanning multiple jurisdictions requiring project technology approvals, traffic signal communications access and operational changes for many agencies and project stakeholders. Cyber security is paramount for cloud based TSP systems which involves bringing in traffic engineers and agency officials but also agency IT personnel as key project stakeholders.

Technological challenges are typically easily overcome as TSP deployments are tested across several agencies and equipment types. Institutional challenges are typically the bigger hurdles due to transit corridors often spanning multiple jurisdictions requiring project technology approvals, traffic signal communications access and operational changes for many agencies and project stakeholders. Cyber security is paramount for cloud based TSP systems which involves bringing in traffic engineers and agency officials but also agency IT personnel as key project stakeholders.

If you are considering purchasing TSP software, make sure that the vendor has had experience deploying their solution widely. Also, be sure to ask for references from other public sector agencies using the vendor's TSP solution and contact each one of them.

It is essential to start with a systems engineering approach to identify what the needs are across all project stakeholders before talking to any vendor that sells TSP. Do not rush the selection and installation of any technology before figuring out the needs and thus the system requirements and select the best approach and system based on these requirements.

Ensure that your parameters are aggressive enough to provide a benefit but not so aggressive that you lose buy in. Ask the key questions well in advance. Are the stops far-side or near-side the intersection? What OTP (on-time performance) measures are you working with from a transit perspective? Are certain hours of the day exempt? Every intersection on the corridor or only major ones? These are just some examples of things we came across in our TSP evolution.