Active traffic management (ATM) is the ability to progressively watch over the present and expanding blockage based on prevailing and anticipated traffic conditions with the usage of radar speed signs. Concentrating on excursion unwavering quality, it expands the viability and productivity of the facility. It expands throughput and secures using incorporated frameworks with new innovation, including the mechanization of dynamic method to streamline execution rapidly and immediately that happens when operators must deploy operational systems physically.
ATM approaches focus on affecting travel behavior respect to path/ facility choices and operations. ATM techniques can be conveyed independently to deal with a meticulous need, for example, the using versatile ramp metering to control traffic stream or can be combined to meet framework extensive needs of congestion management, traveler data, and security resulting in synergistic performance gains.
Examples of strategies
Adaptive Ramp Metering: This generally smoothes the surge of traffic onto the mainline, permitting effective utilization of existing freeway ability. This strategy uses traffic quick to respond or versatile calculations that can streamline either local or framework wide conditions. Adaptive ramp metering can similarly use progressed metering advancements, for example, dynamic bottleneck distinguishing proof, automated incident identification, and reconciliation with adjoining adjacent arterial traffic signal operations.
Adaptive Traffic Signal Control: Adaptive Traffic Signal Control approaches commonly observe traffic run upstream of signalized areas or portions with traffic signals, envisioning volumes and traffic rates ahead of time of achieving the first signal, then constantly modifying timing parameters (e.g., phase length, counterbalance, cycle length) amid each cycle to streamline operational targets.
Dynamic Junction Control: This system comprises of progressively distributing lane access on mainline and slope lanes in crossing point ranges where high traffic volumes are available and the relative demand on the mainline and inclines change for the duration of the day. For exit ramp areas, this may comprise of assigning paths powerfully either for through developments, shared through- exit movements, or exit- only.
Dynamic Lane Reversal or Contraflow Lane Reversal: This system comprises of the inversion of paths with a specific end goal to progressively apportion the limit of congested streets, consequently enabling ability to better match traffic request for the duration of the day. In an ATDM approach, in view of the constant traffic conditions, the path directionality is updated rapidly and naturally because of or ahead of time of expected traffic conditions.
Dynamic Lane Use Control: This technique includes powerfully shutting or opening of individual traffic paths as justified and giving guidance ahead of time of the closure(s) (normally through dynamic lane control signs and mobile vms signs), to securely manage traffic into bordering paths.
Dynamic Speed Limits: This procedure modifies speed limits in light of constant traffic, roadway, as well as climate conditions. Dynamic speed limits can either be enforceable (administrative) speed restricts or suggested speed advisories, and they can be connected to a whole roadway section or individual paths.
Queue Warning: This procedure includes constant showcases of caution messages (normally on dynamic message signs and conceivably combined with glimmering lights) along a roadway to ready drivers that lines or noteworthy log jams are ahead, in this manner lessening backside crashes and enhancing security. In an ATDM approach, as the traffic conditions are observed consistently, the notice messages are dynamic based on the area and seriousness of the lines and log jams.
Transit Signal Priority: This procedure oversees traffic signals by utilizing sensors or probe vehicle innovation to distinguish when a transport nears a signal controlled crossing point, turning the traffic signs to green sooner or extending the green phase, in this way enabling the transport to go through more rapidly. In an ATDM approach, current and anticipated traffic block, multi-organization transport plan adherence data, and a number of travelers influenced, may all be considered to decide conditionally if, where, and when transit signal might be connected.