Chapter 6G. TTC Zone Regulatory Signs¶
§6G.01 Regulatory Sign Authority¶
Support
01. Regulatory signs such as those shown in Figure 6G-1 inform road users of traffic laws or regulations and indicate the applicability of legal requirements that would not otherwise be apparent.
Standard
02. Regulatory signs shall be authorized by the public agency or official having jurisdiction and shall conform with Chapter 2B.
Signs shown: G20-5aP, R1-1, R1-2, R1-2aP, R1-7, R1-7a, R1-8, R2-1, R3-1, R3-2, R3-3, R3-4, R3-7, R3-5, R3-6, R3-8, R3-18, R3-27, R4-1, R4-2, R4-7, R4-7c, R4-9a, R5-1, R5-1a, R4-9, R6-1, R6-2, R8-3
(Sheet 1 of 2) G20-5aP R1-2aP R4-7c R3-33cT R1-7a R4-9a R5-1a Note: See Chapter 2B for information on the application of these signs.
Signs shown: R9-8, R9-9, R9-10, R9-11, R9-11a, R9-12, R9-20, R10-6, R11-2, R11-2a, R11-2c, R11-3, R11-4, R12-1, R12-1T, R22-2, R20-5T, R20-3T
(Sheet 2 of 2) R11-2a R11-2bT R9-11a R11-2c R12-2cT R11-2dT G20-2bT R20-5aPT Note: See Chapter 2B for information on the application of these signs.
§6G.02 Regulatory Sign Design and Size¶
Standard
01. TTC regulatory signs shall comply with the Standards for regulatory signs presented in Part 2 and in the “Standard Highway Sign Designs for Texas” publication (see Section 1A.05).
02. The sizes for TTC regulatory signs shall be as shown in Table 6G-1.
§6G.03 Regulatory Sign Applications¶
Standard
01. If a TTC zone requires regulatory measures different from those existing, the existing permanent regulatory devices shall be removed or covered and superseded by the appropriate temporary regulatory signs. This change shall be made in compliance with applicable ordinances or statutes of the jurisdiction as well as the “Standard Highway Sign Designs for Texas” publication.
§6G.04 Road Closed Signs (R11-2 Series)¶
Guidance
01. The ROAD CLOSED (R11-2) sign (see Figure 6G-1) 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.
Option
02. STREET CLOSED (R11-2a), BRIDGE CLOSED (R11-2bT), PATH CLOSED (R11-2c), or RAMP CLOSED (R11-2dT) signs may be substituted for Road Closed signs where applicable.
Guidance
03. Road Closed signs should be installed at or near the center of the roadway on or above a Type 3 Barricade that closes the roadway (see Section 6K.07).
Standard
04. Road Closed signs 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.
Table 6G-1. Temporary Traffic Control Zone Regulatory Sign and Plaque Sizes (Sheet 1 of 2)
| Sign or Plaque | Sign Designation | Section | Conventional Road | Freeway or Expressway | Minimum |
|---|---|---|---|---|---|
| Stop | R1-1 | 6G.02 | 30 x 30* | — | — |
| Stop (on Stop/Slow Paddle) | R1-1 | 6D.02 | 18 x 18 | — | — |
| Yield | R1-2 | 6G.02 | 36 x 36 x 36* | — | 30 x 30 x 30 |
| To Oncoming Traffic (plaque) | R1-2aP | 6G.02 | 36 x 30 | 48 x 36 | 24 x 18 |
| Wait on Stop | R1-7 | 6L.03 | 24 x 30 | 24 x 30 | — |
| Wait on Stop - Go on Slow | R1-7a | 6L.03 | 30 x 36 | 30 x 36 | — |
| Go on Slow | R1-8 | 6L.03 | 24 x 30 | 24 x 30 | — |
| Speed Limit | R2-1 | 6G.08 | 24 x 30* | 36 x 48 | — |
| Movement Prohibition | R3-1,2,3,4 | 6G.02 | 24 x 24* | 36 x 36 | — |
| Mandatory Movement Lane Control - Turn Only | R3-5 | 6G.02 | 30 x 36 | — | — |
| Optional Movement Lane Control - Thru and Turn | R3-6 | 6G.02 | 30 x 36 | — | — |
| Right (Left) Lane Must Turn Right (Left) | R3-7 | 6G.02 | 30 x 30* | — | — |
| Advance Intersection Lane Control (2 lanes) | R3-8 | 6G.02 | 30 x 30 | — | — |
* See Table 2B-1 for minimum size required for signs facing traffic on multi-lane conventional roads
Notes:
1. Larger signs may be used wherever necessary for greater legibility or emphasis
2. Dimensions are shown in inches and are shown as width x height
Notes:
- 1. Larger signs may be used wherever necessary for greater legibility or emphasis
- 2. Dimensions are shown in inches and are shown as width x height
Table 6G-1. Temporary Traffic Control Zone Regulatory Sign and Plaque Sizes (Sheet 2 of 2)
| Sign or Plaque | Sign Designation | Section | Conventional Road | Freeway or Expressway | Minimum |
|---|---|---|---|---|---|
| Movement Prohibition - No U or Left Turn | R3-18 | 6G.02 | 24 x 24* | 36 x 36 | — |
| Movement Prohibition - No Straight Through | R3-27 | 6G.02 | 24 x 24* | 36 x 36 | — |
| All Traffic Must Exit | R3-33cT | 2B.31B | — | 48 x 60 | — |
| Do Not Pass | R4-1 | 6G.02 | 24 x 30 | 36 x 48 | — |
| Pass With Care | R4-2 | 6G.02 | 24 x 30 | 36 x 48 | — |
| Keep Right | R4-7 | 6G.02 | 24 x 30 | 36 x 48 | — |
| Narrow Keep Right | R4-7c | 6G.02 | 18 x 30 | — | — |
| Stay in Lane | R4-9 | 6G.07 | 24 x 30 | 36 x 48 | — |
| Stay In Lane To Merge Point | R4-9a | 6G.07 | 36 x 48 | 36 x 48 | — |
| Do Not Enter | R5-1 | 6G.02 | 30 x 30* | 36 x 36 | — |
| Wrong Way | R5-1a | 6G.02 | 36 x 24* | 42 x 30 | — |
| One Way | R6-1 | 6G.02 | 36 x 12* | 48 x 18 | — |
| One Way | R6-2 | 6G.02 | 24 x 30* | 36 x 48 | — |
| No Parking (symbol) | R8-3 | 6G.02 | 24 x 24* | 36 x 36 | — |
| Pedestrian Crosswalk | R9-8 | 6G.09 | 36 x 18 | — | — |
| Sidewalk Closed | R9-9 | 6G.10 | 24 x 12 | — | — |
| Sidewalk Closed, Use Other Side | R9-10 | 6G.10 | 24 x 12 | — | — |
| Sidewalk Closed Ahead, Cross Here | R9-11 | 6G.10 | 24 x 18 | — | — |
| Sidewalk Closed, Cross Here | R9-11a | 6G.10 | 24 x 12 | — | — |
| Bike Lane Closed | R9-12 | 6P.01 | 24 x 12 | — | — |
| Stop Here on Red | R10-6 | 6L.04 | 24 x 36 | — | — |
| Road Closed | R11-2, 2a, 2bT, 2c, 2dT | 6G.04 | 48 x 30 | — | — |
| Road Closed - Local Traffic Only | R11-3, 3a, 3b, 4 | 6G.05 | 60 x 30 | — | — |
| Weight Limit | R12-1 | 6G.06 | 24 x 30 | 36 x 48 | — |
| Weight Limit | R12-1T | 2B.64 | 24 x 36 | 24 x 36 | — |
| Weight Limit | R12-2cT | 2B.64 | 24 x 36 | 24 x 36 | — |
| State Law Obey Warning Signs | R20-3T | 6G.08A | 48 x 42 | 48 x 42 | — |
| Traffic Fines Double with Plaque | R20-5T | 6G.08 | 24 x 30 | 36 x 36 | — |
| When Workers are Present (plaque) | R20-5aPT | 6G.08 | 24 x 12 | 36 x 18 | — |
| Turn Off 2-Way Radio and Cell Phone | R22-2 | 6G.11 | 42 x 36 | 42 x 36 | — |
| End Work Zone | G20-2bT | 6G.08 | 36 x 18 | 48 x 24 | — |
| Work Zone (plaque) | G20-5aP | 6G.08 | 24 x 18 | 30 x 24 | — |
| Begin Work Zone (plaque) | G20-9PT | 6G.08 | 24 x 24 | 36 x 30 | — |
* See Table 2B-1 for minimum size required for signs facing traffic on multi-lane conventional roads
Notes:
1. Larger signs may be used wherever necessary for greater legibility or emphasis
2. Dimensions are shown in inches and are shown as width x height
Notes:
- 1. Larger signs may be used wherever necessary for greater legibility or emphasis
- 2. Dimensions are shown in inches and are shown as width x height
§6G.05 Local Traffic Only Signs (R11-3 Series and R11-4)¶
Guidance
01. The Local Traffic Only signs (see Figure 6G-1) should be used where road users follow detours to avoid a closure some distance beyond the sign, but where local road users can use the roadway to the point of closure. These signs should be accompanied by appropriate warning and detour signing. (See FHWA Known Errors
02. In rural applications, the Local Traffic Only sign should have the legend ROAD CLOSED XX MILES AHEAD, LOCAL TRAFFIC ONLY (R11-3).
Option
03. In urban areas, a ROAD (STREET) CLOSED TO THRU TRAFFIC (R11-4) sign or the legend ROAD CLOSED, LOCAL TRAFFIC ONLY may be used.
04. In urban areas, a word message that includes the name of an intersecting street name or well-known destination may be substituted for the words XX MILES AHEAD on the R11-3 sign where applicable.
05. A STREET CLOSED (R11-3a) or BRIDGE OUT (R11-3b) sign may be substituted for a R11-3 sign, where applicable.
06. The words BRIDGE OUT, BRIDGE CLOSED, or STREET CLOSED may be substituted for the words ROAD CLOSED on the R11-4 sign where applicable.
§6G.06 Weight Limit Signs (R12-1, R12-2, and R12-5)¶
Standard
01. A Weight Limit sign (see Figure 6G-1), which shows the gross weight or axle weight that is permitted on the roadway or bridge, shall be consistent with State or local regulations and shall not be installed without the approval of the authority having jurisdiction over the highway.
02. When weight restrictions are imposed because of the activity in a TTC zone, a marked detour shall be provided for vehicles weighing more than the posted limit.
§6G.07 STAY IN LANE Signs (R4-9 and R4-9a)¶
Option
01. A STAY IN LANE (R4-9) sign (see Figure 6G-1) may be used where a multi-lane shift has been incorporated as part of the TTC on a highway to direct road users around road work that occupies part of the roadway on a multi-lane highway.
Guidance
02. A STAY IN LANE TO MERGE POINT (R4-9a) sign (see Figure 6G-1) should be used during late merge operations (see Section 6N.19) to direct traffic to use all available lanes until the merge point is reached.
§6G.08 Work Zone Signs and Plaques¶
Support
01. Work Zone signs and plaques are intended to provide road users information on work zone project limits and regulatory signing in effect while work activities are going.
Option
02. A WORK ZONE (G20-5aP) plaque (see Figure 6G-1) may be mounted above a Speed Limit sign to emphasize that a reduced speed limit is in effect within a TTC zone.
Standard
03. The Traffic Fines Double assembly shall be installed as an integral part of the advance warning signs along major roadway approaches for long term stationary work zones or work zones of shorter durations where doubled fines will be assessed or enforced. When used, the Traffic Fines Double assembly shall be placed in advance of warning signs at typical warning sign spacing.
04. The Traffic Fines Double assembly shall consist of the BEGIN WORK ZONE plaque (G20-9PT), the TRAFFIC FINES DOUBLE sign (R20-5T), and the WHEN WORKERS ARE PRESENT plaque (R20-5aPT) (see Figure 6G-1).
Option
05. Orange warning flags may be attached at the top of the Traffic Fines Double assembly.
Standard
06. When a Traffic Fines Double assembly is installed, a regulatory speed limit sign shall be installed in the work zone to indicate the maximum lawful speed.
07. When a Traffic Fines Double assembly is installed, an END WORK ZONE (G20-2bT) sign shall be placed at the end of the work zone (see Figure 6G-1).
Support
08. For additional information on the various Work Zone signs, refer to the TxDOT Traffic Safety Division Barricade and Construction Standards.
§6G.08A STATE LAW OBEY WARNING SIGNS Sign (R20-3T)¶
Guidance
When used, the STATE LAW OBEY WARNING SIGNS (R20-3T) sign should be installed at typical warning sign spacing in advance of the Traffic Fines Double assembly (see Section 6G.08).
§6G.09 PEDESTRIAN CROSSWALK Sign (R9-8)¶
Option
01. The PEDESTRIAN CROSSWALK (R9-8) sign (see Figure 6G-1) may be used to indicate where a temporary crosswalk has been established.
Standard
02. If a temporary crosswalk is established, it shall be accessible to pedestrians with disabilities in accordance with Section 6C.03.
§6G.10 SIDEWALK CLOSED Signs (R9-9, R9-10, R9-11, and R9-11a)¶
Guidance
01. SIDEWALK CLOSED signs (see Figure 6G-1) should be used where pedestrian flow is restricted. Bicyclist/ Pedestrian Detour (M4-9a) signs or Pedestrian Detour (M4-9b) signs should be used where pedestrian flow is rerouted (see Section 6I.02).
02. The SIDEWALK CLOSED (R9-9) sign should be installed at the beginning of the closed sidewalk, at the intersections preceding the closed sidewalk, and elsewhere along the closed sidewalk as needed.
03. The SIDEWALK CLOSED, (ARROW) USE OTHER SIDE (R9-10) sign should be installed at the beginning of the restricted sidewalk when a parallel sidewalk exists on the other side of the roadway.
04. The SIDEWALK CLOSED AHEAD, (ARROW) CROSS HERE (R9-11) sign should be used to indicate to pedestrians that sidewalks beyond the sign are closed and to direct them to open crosswalks, sidewalks, or other travel paths.
05. The SIDEWALK CLOSED, (ARROW) CROSS HERE (R9-11a) sign should be installed just beyond the point to which pedestrians are being redirected.
Support
These signs are typically mounted on a detectable barricade to encourage compliance and to communicate with pedestrians that the sidewalk is closed. Printed signs are not useful to many pedestrians with vision disabilities. A barrier, barricade, or longitudinal channelizing device detectable by a person with a vision disability is sufficient to indicate that a sidewalk is closed. If the barrier is continuous with detectable channelizing devices for an alternate route, accessible signing might not be necessary.
§6G.11 TURN OFF 2-WAY RADIO AND CELL PHONE Sign (R22-2)¶
Standard
01. The TURN OFF 2-WAY RADIO AND CELL PHONE (R22-2) sign (see Figure 6G-1) shall be used to require road users to turn off mobile radio transmitters and cellular telephones where blasting operations occur.
Support
02. Section 6H.25 contains information about the full sequence of signs for blasting zones and the specific requirements for location of this regulatory sign.
§6G.12 Other Regulatory Signs¶
Option
01. Regulatory word message signs other than those classified and specified in this Manual and the “Standard Highways Sign Designs for Texas” publication (see Section 1A.05) may be developed and used based on engineering judgment to aid the enforcement of other laws or regulations in TTC zones.
Guidance
02. Special regulatory signs should comply with the general requirements of color, shape, and alphabet size and series. The sign message should be brief, legible, and clear.
Standard
03. Regulatory speed limits shall be established by law or regulation.