Revisions to Part 6 – Temporary Traffic Control. Guidance on lengths of short tapers and downstream tapers.

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Presentation transcript:

Revisions to Part 6 – Temporary Traffic Control

Guidance on lengths of short tapers and downstream tapers

Minimum length for one-lane, two-way traffic taper added to Table 6C-3

Automated flagger assistance device (AFAD) Type 1: STOP/SLOW paddle AFAD

Type 2: Red/yellow lens AFAD

Flaggers shall use a paddle, flag, or AFAD, not just hand signals

Paddles should be placed on a rigid staff, high enough to be seen by approaching or stopped traffic

Clarified OPTION for self-regulating traffic movement through a one-lane, 2-way constriction - If work space is short (adequate sight distance) - If on a low-volume street

Two flaggers should be used for a one- lane, 2-way constriction unless TTC zone is short enough for the flagger to see from one end to the other

Center Lane Closed Ahead symbol sign has been removed from the MUTCD

New sign to warn road users of a change in the traffic pattern

New symbol sign and supplemental plaque for shoulder drop-off

New alternating diamond display to indicate caution on an arrow board

Temporary lane separators and temporary raised islands

Temporary Markings Delineate path through the TTC zone when the permanent markings are either removed or obliterated during the work activities. Should not be left in place longer than 14 days Some allowable exceptions to normal longitudinal markings requirements

Temporary RPMs in TTC zones More provisions on color, patterns, and spacing, consistent with Part 3 – Colors and patterns shall simulate the markings for which they substitute – May be used to substitute for solid lines Option to use a less expensive pattern of temporary RPMs to substitute for broken line segments – Should not be used more than 14 days

Deleted from the MUTCD Steady burn electric lamps Vehicle arresting systems Floodlights Crash cushions Screens Retained in the MUTCD

Preemption of temporary signals in TTC zones

Black and orange are acceptable colors for transverse rumble strips in TTC zones

TTC plan should be developed for planned special events that will impact traffic Bike race

Typical application (TA) drawings Except for the TA “Notes,” information in the TA drawings can generally be regarded as Guidance TA 4 – stationary signs may be omitted for mobile work if the work vehicle displays high-intensity strobe lights TA 7 – ROAD CLOSED sign eliminated TA 16 – lanes should be at least 10 feet wide

TAs with freeway lane closures -TAs 37, 38, 39, 42, and 44 -Arrow board shall be used for all freeway lane closures - Separate arrow board shall be used for each closed lane for multi-lane closures

Provisions for traffic incident management A reference is made to the Incident Command System (ICS) All on-scene responders and news media personnel should wear high-visibility apparel Light sticks may be used in lieu of flares