The traffic lights are not based on weight but rather they are based on electromagnetic sensors (most common) or visuals from a camera (less common because they often don't like gray cars or flat vehicles like school buses). When that fails on a left turn I go back to the straight lane and turn around down the road or if I'm in the right lane going forwards I'll hit the button on the crosswalk. I do the button as a last resort though because I know one of these days someone will approach the light as I get off and, not seeing me, will hit the bike that's sitting there all alone.
Jun 28, 2015 - 4 min - Uploaded by Riding PhilCollinsThis is a bit of a tutorial i guess on how to trigger a.
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Three Methods: If you drive a car, bike, or motorcycle, chances are you regularly experience the frustration of waiting at red traffic lights that seem to take forever to change. Some traffic lights are timed to reflect the common flow of traffic, but others are designed to keep heavy traffic moving with green lights until they detect vehicles that arrive at a cross street and change accordingly. Learn how to recognize these actuated traffic lights and trigger them effectively so you aren’t waiting for a light that will never change.
Look for signs of an inductive loop detector. As you pull up to an intersection, look for markings in the roadway that indicate an inductive loop that has been installed below the surface to detect the conductive metal in cars, bikes, and motorcycles. • Once a vehicle is detected by the loops, the traffic light system is signaled that there is someone waiting to proceed. The lights for the cross traffic will then begin to change after a safe time period before the light turns green for you. • Check for signs of loop detectors in the pavement just before the stop line and crosswalk markings.
You will often be able to see grooves in the pavement where the loop has been installed, indicating where you should position your vehicle. • There are several different shapes of inductive loops, including a dipole (one loop with two long sides), quadrupole (two loops with three long sides), and diagonal quadrupole (two loops with four long sides, designed to detect two-wheeled vehicles more easily).
Consider that the lights could be fixed time operated. Know that some traffic lights change based on a predetermined timer only, and cannot be specifically triggered to change by the presence of a vehicle. • These fixed time lights would likely be found in an area with equally heavy traffic coming from both sides, or in a town or city that simply doesn’t have the infrastructure for an actuated system. • Note that while this type of traffic light is pre-determined and scheduled by traffic control engineers, it is typically regularly updated based on actual usage, and even adjusted to take into account holidays, big events, and other potential variations in traffic. Pull up to the stop line in a car. Drive your car up the stop bar or line, which is a line perpendicular to your car painted just in front of the crosswalk markings at most intersections.
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• If you see grooves in the road that indicate the presence of inductive loops, make sure your car is positioned directly over those loops so it gets detected. • If you see no signs of inductive loops, or you see a camera control system, just make sure that you are positioned in the middle of the street lane, not further forward than the stop line and not too far back from it. • It’s especially important to position your car not too far forward or backward when in a left turning lane, as these often will have their own detector that signals a protected left turn signal. Position a bike or motorcycle at the correct spot. Note that those with bicycles, scooters, and motorcycles sometimes have difficulty triggering traffic light detectors due to the smaller profile of a two-wheel vehicle.
Be extra careful to position yourself in line with a given detector. • On a street with markings that indicate a dipole (one loop), position both bike wheels directly over either the right or left side of the loop.
For a quadripole (two loops), position the wheels over the middle line where the two loops connect. For a diagonal quadripole, position yourself anywhere over the markings. • Some intersections may have markings directly on the roadway that indicate a line on which cyclists should place the wheels of their bikes. Often there will be a nearby sign with the same symbol as on the pavement, indicating “To request green, wait on [symbol].” • If there is a camera installed for detection, simply make sure your bike or motorcycle is positioned in the center of the lane, or lean it toward the middle of the lane from one side. You may even want to face diagonally toward the camera, so as to make your profile larger and more easily detected.
Initiate a crosswalk button as a pedestrian. Take extra care as a pedestrian to initiate a traffic signal change using the available crosswalk buttons, as you cannot signal the same detectors that vehicles do. • Push the appropriate button to cross the street in the intended direction and wait for the walk signal to appear before proceeding. Some intersections automatically update the pedestrian signals when the regular traffic lights change, but many must be manually engaged. • Never assume that a green traffic light indicates that you can walk if there is not also a white walk symbol illuminated for pedestrians.
You should also only cross where white crosswalk symbols are painted on the roadway, whenever possible. Try a neodymium magnet.
Attempt to boost the electromagnetic detection of your small vehicle in an inductive loop system by attaching a small, powerful magnet to the underside of your motorcycle or bike. • Note that many find that this method is not very effective, though others have shown that it may make a difference when the magnet is moved over the loop detector at a slow speed rather than standing still. • Take care in handling powerful magnets like neodymium magnets.
They can interfere with pacemakers, electronic devices, and navigation systems. They can be harmful if they collide and break, corrode, or pinch fingers and other body parts.