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  2. Friends Select School - Wikipedia

    en.wikipedia.org/wiki/Friends_Select_School

    Friends Select School (FSS) is a college-preparatory, Quaker school for pre-kindergarten through 12th grade located at 1651 Benjamin Franklin Parkway at the intersection of Cherry and N. 17th Streets in Center City Philadelphia. Quaker education in Philadelphia dates back to 1689. Friends Select, which was founded in 1833, has been located on ...

  3. Rules for traffic lights - Wikipedia

    en.wikipedia.org/wiki/Rules_for_traffic_lights

    In some jurisdictions (such as New York City), [citation needed] there are ordinances or by-laws against "gridlocking".A motorist entering an intersection (even if on a green light) but unable to proceed and who gets stranded in the intersection (when traffic ahead fails to proceed), and who remains after the light turns red (thus blocking traffic from other directions) may be cited.

  4. Violence and intersectionality - Wikipedia

    en.wikipedia.org/wiki/Violence_and_intersectionality

    Intersectionality is the interconnection of race, class, and gender.Violence and intersectionality connect during instances of discrimination and/or bias. Kimberlé Crenshaw, a feminist scholar, is widely known for developing the theory of intersectionality in her 1989 essay, "Demarginalizing the Intersection of Race and Sex: A Black Feminist Critique of Antidiscrimination Doctrine, Feminist ...

  5. Gridlock - Wikipedia

    en.wikipedia.org/wiki/Gridlock

    Gridlock on a network of two-way streets. The red cars are those causing the gridlock by stopping in the middle of the intersection. Gridlock is a form of traffic congestion where continuous queues of vehicles block an entire network of intersecting streets, bringing traffic in all directions to a complete standstill.

  6. Protected intersection - Wikipedia

    en.wikipedia.org/wiki/Protected_intersection

    A video showing a protected signalised intersection to US standards. A protected intersection or protected junction, also known as a Dutch-style junction, is a type of at-grade road junction in which cyclists and pedestrians are separated from cars. The primary aim of junction protection is to help pedestrians and cyclists be and feel safer at ...

  7. Signalling block system - Wikipedia

    en.wikipedia.org/wiki/Signalling_block_system

    Signalling block systems enable the safe and efficient operation of railways by preventing collisions between trains. The basic principle is that a track is broken up into a series of sections or "blocks". Only one train may occupy a block at a time, [citation needed] and the blocks are sized to allow a train to stop within them. [1]

  8. At a marathon the planners have a course maximum of 26 miles; a motorcycle ride would cover that while just getting warmed up. For most rides, a group ride organizer isn’t going to be applying ...

  9. Intersection capacity utilization - Wikipedia

    en.wikipedia.org/wiki/Intersection_Capacity...

    ICU is also defined as "the sum of the ratios of approach volume divided by approach capacity for each leg of intersection which controls overall traffic signal timing plus an allowance for clearance times." [2] The ICU tells how much reserve capacity is available or how much the intersection is overcapacity. The ICU does not predict delay, but ...