DEVICES STANDARDS
This crashworthiness standard applies to most TTC devices.
What is MASH 2016?
Temporary signs are generally placed on this side of the roadway.
What is The right side?
This number of displays may a typical PCMS message cycle include.
What is Two displays, normally two seconds each?
This is the minimum cone height for daytime use in the deck.
What is At least 28 inches?
This certified person controls an AFAD from a nearby location.
Who is a certified flagger at a nearby location?
An unacceptable traffic control device requires this action.
What is remove and replace it?
The bottom of a portable sign must be at least this high above the traveled roadway.
What is At least one foot?
An operating PCMS should be mounted at this height.
What is Seven feet above the roadway?
This channelizing device is preferred for visibility.
What is Drums?
True or false: An afad can substitute for a continuously operating temporary signal.
What is false?
These are the three categories of traffic signs.
What are Regulatory, warning, and guide?
This may ballast a portable sign support.
What is Sandbags?
This is where a PCMS be placed when a protective feature is available.
What is Behind the protective feature?
This is the reason channelizing devices yield or break away when hit.
What is To keep fragments from entering a vehicle or becoming hazards?
The w23-7 sign is placed this distance in advance of portable rumble strips.
What is 50 feet?
Regulatory signs provide these enforceable requirements.
What is Enforceable legal requirements?
The top of a sign’s sandbag may sit no higher than this above the roadway.
What is No more than four inches?
This arrow-board modes should not be used.
What is Flashing bar and double-diamond modes?
This number of devices is required in a one-lane two-way taper.
What is Five devices?
Protective vehicles are especially important in these conditions.
What is on freeways and when workers are on foot or in lift-bucket operations?
Warning signs perform this function for road users.
What is warn road users in advance of roadway conditions?
This signs may repeat if the preferred warning sign is unavailable or inappropriate.
What is The Flagger Symbol or Be Prepared to Stop sign?
This is where an arrow board placed for a multilane lane closure.
What is on the shoulder at the beginning of the taper?
This is the maximum device spacing at 50 mph in a one-lane two-way taper and tangent.
What is 20 feet in the taper and 40 feet in the tangent?
This fall-protection rule applies while riding the back of a moving attenuator vehicle during setup.
What is wear a harness and remain properly tethered?