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  1. It Still Runs
    https://itstillruns.com/auxiliary-lane …

    What Is an Auxiliary Lane? - It Still Runs

    An auxiliary lane, the extra lane constructed between on and off ramps, allows drivers a safe way to merge into traffic while also preventing bottlenecks caused by drivers attempting to enter or exit the freeway.
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  2. Images of Auxiliary lane

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    Auxiliary Lanes | Interstate Bridge - YouTube
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    Auxiliary Lanes - YouTube
    txdotsanantonio.blogspot.com
    Go Ahead!: Those yellow "exit-only" designations on OSBs
    fity.club
    Auxiliary Meaning
    dreamcivil.com
    Auxiliary lane - Civil Engineering Dictionary
    i4ultimate.com
    I-4 Ultimate Improvement Project
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  3. FHWA Operations
    https://ops.fhwa.dot.gov/freewaymgmt/publications/...

    Chapter 5 - Freeway Management and Operations Handbook

  4. Federal Highway Administration
    https://highways.dot.gov/research/publications/...

    NCHRP Research Report 780: Design Guidance for Intersection …

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    Deceleration Lanes
    Federal Highway Administration
  5. Caltrans
    https://dot.ca.gov/programs/esta/sb-743/resources/aux-lanes

    VMT Analysis of Auxiliary Lanes - Caltrans

  6. Federal Highway Administration
    https://highways.dot.gov/safety/proven-s…

    Dedicated Left- and Right-Turn Lanes at Intersections

    Learn how auxiliary turn lanes can reduce crashes and improve safety at intersections with stop control. Find out when and how to design and install offset turn lanes for better visibility and traffic flow.

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    Dedicated Left Turn Lane
    Dedicated Right Turn Lane Rules
  7. FHWA
    https://mutcd.fhwa.dot.gov/htm/2009/part3/part3b.htm

    Chapter 3B - MUTCD 2009 Edition - FHWA - Transportation

  8. People also ask
    What are auxiliary lanes?
    Auxiliary lanes can include a range of design features, such as acceleration and deceleration lanes, and connections between successive entrance/exit ramps that may need to be considered in a VMT analysis.

    VMT Analysis of Auxiliary Lanes - Caltrans

    dot.ca.gov
    What are the components of auxiliary lane?
    Based on this guidance, the auxiliary lane is defined by three key components: entering taper, deceleration length, and storage length. The minimum lengths associated with these key components are outlined in Table 4-3 and Fig- ure 4-10. The guidance focuses on left-turn examples, but the approach is the same for right-turn auxiliary lanes.

    Design Guidance for Intersection Auxiliary Lanes

    nap.nationalacademies.org
    What is an auxiliary turn lane?
    Auxiliary lanes can also be used to increase capacity and improve operations at an intersection. The design components of a traditional auxiliary turn lane consist of the length needed to store an appropriate number of waiting vehicles, a vehicle deceleration area, and the taper needed to develop the full lane width.

    NCHRP Research Report 780: Design Guidance for Intersection Auxiliary

    highways.dot.gov
    What are the auxiliary lane requirements?
    Based on this guidance, the auxiliary lane is defined by three key components: entering taper, decelera- tion length, and storage length. The minimum lengths associ- ated with these key components are outlined in Figure 4-10 and Table 4-3. The entering taper requirement is 100 ft for double left- turn lanes (see Figure 4-10).

    Design Guidance for Intersection Auxiliary Lanes

    nap.nationalacademies.org
    Does Caltrans have an auxiliary lane?
    Addition of an auxiliary lane of less than one mile in length designed to improve roadway safety. This OPR guidance was carried over into the Caltrans Transportation Analysis Under CEQA (September 2020). As more projects have implemented this guidance, it has become apparent that some clarifications would be helpful to project development teams.

    VMT Analysis of Auxiliary Lanes - Caltrans

    dot.ca.gov
    How do you separate a through lane from an auxiliary lane?
    To separate a through lane that continues beyond an intersection from an adjacent auxiliary lane between two intersections (see Drawing B of Figure 3B-11). Guidance:14Lane drop markings used in advance of lane drops at freeway and expressway exit ramps should begin at least 1/2 mile in advance of the theoretical gore.

    Chapter 3B - MUTCD 2009 Edition - FHWA - Transportation

    mutcd.fhwa.dot.gov
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  9. MoDOT Engineering Policy Guide
    https://epg.modot.org/index.php/940.9_…

    940.9 Auxiliary Acceleration and Turning Lanes

    Dec 4, 2020 · Learn how to design and install auxiliary lanes for safety and traffic flow at intersections and driveways. Find guidelines, criteria and figures for different roadway types and speeds.

  10. trb.org
    https://onlinepubs.trb.org/onlinepubs/webinars/160913.pdf
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    Design Guidance for Intersection Auxiliary

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    Deceleration Lanes
    Research
  11. Transportation Policy Research Center
    https://policy.tti.tamu.edu/strategy/accel…

    Acceleration and Deceleration Lanes - Transportation …

    Acceleration/deceleration lanes (also known as speed-change lanes or auxiliary lanes) allow drivers to speed up or slow down in a space not used by high-speed through traffic. On freeways and some major streets, the speed change can …

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    Deceleration Lanes
    Acceleration and Deceleration
    Deceleration Lane Cost
  12. The National Academies Press
    https://nap.nationalacademies.org/read/…

    Design Guidance for Intersection Auxiliary Lanes

    This chapter presents case studies of five design categories for intersection auxiliary lanes, such as acceleration lane, deceleration lane, and left-turn lane. It evaluates the design features, standards, and guidance provided by the …

    Tags:
    Deceleration Lanes
    Acceleration and Deceleration
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