Which of the following should be used when the roadway is closed to all users except contractors equipment and officially authorized vehicles?

The ROAD (STREET) CLOSED (R11-2) sign (see Figure 6F-4) should be used when the roadway is closed to all road users except contractors’ equipment or officially authorized vehicles. The R11-2 sign should be accompanied by appropriate warning and detour signing.

What is the Mutcd code for a speed limit sign?

Section 2B. 03 Size of Regulatory Signs

Sign	MUTCD Code	Freeway
Speed Limit (English)	R2-1	1200 x 1500 (48 x 60)
Speed Limit (Metric)	R2-1	1200 x 1650 (48 x 66)
Truck Speed Limit (English)	R2-2	1200 x 1200 (48 x 48)
Truck Speed Limit (Metric)	R2-2	1200 x 1350 (48 x 54)

What is Do Not Enter sign code Mutcd?

The DO NOT ENTER (R5-1) sign (see Figure 2B-9) shall be used where traffic is prohibited from entering a restricted roadway.

What is considered a temporary traffic control device?

Temporary traffic control devices (TCD) are a neces- sary part of highway work zones. These devices are used to warn motorists of hazards, advise them of the proper path through the work area, delineate areas where they may not operate, and to separate them from workers and opposing traffic.

What is traffic control plan?

The basic objective of each traffic control plan (TCP) is to permit the contractor to work within the public right of way efficiently and effectively while maintaining a safe, uniform flow of traffic. A Traffic Control Plan shall be required for all work performed within the public right of way.

What is the minimum distance between tapers when closing two lanes?

When used, a downstream taper should have a length of approximately 100 ft per lane with devices placed at a spacing of approximately 20 ft. The distance between cones or barrels should not be narrowed to less than 1 times the speed limit in miles per hour.

Are stop signs mandatory?

Vehicle Code 22450 VC says that drivers in California must stop at stop signs. Drivers are also required to stop at specific points before intersections and railway crossings that have stop signs.

What does Do Not Enter sign mean?

For example, the DO NOT ENTER sign means do not enter a road or off ramp where the sign is posted (usually on a freeway off ramp). If you see one or both of these signs, drive to the side of the road and stop. You are going against traffic.

What are the three types of protective vehicles that Caltrans uses?

Plan your escape route. (C) Using protective equipment. Protective vehicles, headrests, seat belts/shoulder harnesses, and personal protective equipment as described in the Caltrans Safety Manual, Chapter 12.

When to not use a ROAD CLOSED sign on the TTC?

04The ROAD (STREET) CLOSED sign shall not be used where road user flow is maintained through the TTC zone with a reduced number of lanes on the existing roadway or where the actual closure is some distance beyond the sign. Section 6F.09 Local Traffic Only Signs (R11-3a, R11-4)

What is the MUTCD standard for signs for traffic restrictions?

2009 MUTCD Text Part 5 – Page 7 of 18 December 2009 Standard: 2 If used, signs for traffic prohibitions or restrictions shall be placed in advance of the prohibition or restriction so that traffic can use an alternate route or turn around.

Are traffic control devices MUTCD crashworthy?

03Various Sections of the MUTCD require certain traffic control devices, their supports, and/or related appurtenances to be crashworthy. Such MUTCD crashworthiness provisions apply to all streets, highways, and private roads open to public travel.

Does MUTCD apply to private roads?

Such MUTCD crashworthiness provisions apply to all streets, highways, and private roads open to public travel. Also, State Departments of Transportation and local agencies might have expanded the NCHRP Report 350 crashworthy criteria to apply to certain other roadside appurtenances.