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  2. Why UPS Drivers Never Turn Left - AOL

    www.aol.com/news/2010-12-23-why-ups-drivers...

    UPS routes package deliveries so that drivers will never turn left. On a two-way street you will see UPS drivers on both sides and both will only be making right hand turns. UPS Senior Vice ...

  3. Sick of dangerous city traffic? Remove left turns - AOL

    www.aol.com/news/sick-dangerous-city-traffic...

    Left turns are dangerous and cause a lot of unnecessary traffic. Chris Jongkind/Moment via Getty ImagesTo reduce travel times, fuel consumption and carbon emissions, in 2004, UPS changed delivery ...

  4. Continuous-flow intersection - Wikipedia

    en.wikipedia.org/wiki/Continuous-flow_intersection

    The continuous flow intersection moves the left-turn conflict out of the intersection and synchronizes it with the signal cycle of the intersecting road. In the adjacent diagram, while the left/right traffic flows through the main intersection, the left-turn traffic crosses to the opposite side of the oncoming traffic a few hundred feet away.

  5. Road signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_the_United...

    Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign and the crossbuck for railroad crossings.

  6. Level of service (transportation) - Wikipedia

    en.wikipedia.org/wiki/Level_of_service...

    A crowded four-way intersection where the major traffic movements were conflicting turns might have an LOS D or E. At intersections, queuing time can be used as a rubric to measure LOS; computer models given the full movement data can spit out a good estimate of LOS. While it may be tempting to aim for an LOS A, this is unrealistic in urban areas.

  7. Rules of the Road: Face it, left turns slow traffic and are a ...

    www.aol.com/rules-road-face-left-turns-110000470...

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  8. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    Continuous-flow intersection, CFI, crossover displaced left-turn, XDL, or DLT An intersection where vehicles attempting to turn across the opposing direction of traffic (left in right-hand drive jurisdictions; right in left-hand drive jurisdictions) cross before they enter the intersection. No left turn signal in the intersection is then necessary.

  9. Do you stop in an intersection to make a left turn? Here’s ...

    www.aol.com/stop-intersection-left-turn-why...

    Question: I was recently told by a friend that the proper way to make a left-hand turn at a stop light was to proceed into the intersection when the light turns green, then wait until oncoming ...