620.6 Delineators (MUTCD Chapter 3G) - Revision history

Hoskir: /* {{SpanID|620.6.3}}620.6.3 Application (MUTCD Section 3G.03) */ updated link to Emergency Ref Markers.

2026-02-23T13:57:14Z

{{SpanID|620.6.3}}620.6.3 Application (MUTCD Section 3G.03): updated link to Emergency Ref Markers.

← Older revision		Revision as of 08:57, 23 February 2026
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	:# Roadside delineators are used to lead into all curves, or		:# Roadside delineators are used to lead into all curves, or
	:B. On sections of roadways where continuous lighting is in operation between interchanges.		:B. On sections of roadways where continuous lighting is in operation between interchanges.
	:C. On interstate or other highways with Emergency Reference Markers (D10-5) (See [[903.~~9 General Information Signs~~#903.9.~~4_Emergency_Reference_Markers_~~(D10-5_and_D10-5a~~)_(MUTCD_Section_2H.06~~)\|~~EPG~~ 903.9.4]]) installed on the right-hand side of the roadway.		:C. On interstate or other highways with Emergency Reference Markers (D10-5) (See [[903.8_General_Information_Signs_(MUTCD_Chapter_2H)#903.8.11_Emergency_Reference_Markers_(D10-5_and_D10-5a)\|903.8.11 Emergency Reference Markers (D10-5 and D10-5a)]]) installed on the right-hand side of the roadway.

	'''Option.''' Delineators may be provided on other classes of roads.		'''Option.''' Delineators may be provided on other classes of roads.

Hoskir: updated broken links

2026-01-28T16:38:44Z

updated broken links

← Older revision		Revision as of 11:38, 28 January 2026
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	==620.6.5 Guardrail Delineation==		==620.6.5 Guardrail Delineation==

	'''Standard.''' All guardrail shall be delineated in accordance with [https://www.modot.org/~~missour~~-standard-specifications-highway-construction Section 606.10.2.3] of the Standard Specifications. The design of the guardrail delineators shall be in accordance with [https://www.modot.org/media/51221 Standard Plan 903.00] and [https://www.modot.org/~~missour~~-standard-specifications-highway-construction Standard Specifications Sec 1065]. The color of the retroreflective sheeting used shall match the color of the adjacent edge line. If no edge line is present, white shall be used on the right-hand side facing approaching traffic.		'''Standard.''' All guardrail shall be delineated in accordance with [https://www.modot.org/missouri-standard-specifications-highway-construction Section 606.10.2.3] of the Standard Specifications. The design of the guardrail delineators shall be in accordance with [https://www.modot.org/media/51221 Standard Plan 903.00] and [https://www.modot.org/missouri-standard-specifications-highway-construction Standard Specifications Sec 1065]. The color of the retroreflective sheeting used shall match the color of the adjacent edge line. If no edge line is present, white shall be used on the right-hand side facing approaching traffic.

	On two-lane roads with two-way traffic the guardrail shall be delineated with white retroreflective sheeting on both sides of the delineator, including at bridge approaches.		On two-lane roads with two-way traffic the guardrail shall be delineated with white retroreflective sheeting on both sides of the delineator, including at bridge approaches.

Legged1: /* {{SpanID|620.6.6}} 620.6.6 Barrier Wall Delineation */ fix links

2026-01-07T19:32:11Z

{{SpanID|620.6.6}} 620.6.6 Barrier Wall Delineation: fix links

← Older revision		Revision as of 14:32, 7 January 2026
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	=={{SpanID\|620.6.6}} 620.6.6 Barrier Wall Delineation==		=={{SpanID\|620.6.6}} 620.6.6 Barrier Wall Delineation==

	'''Standard.''' Permanent barrier walls and bridge barrier walls shall be delineated in accordance with [https://www.modot.org/~~business\standards_and_specs/SepcbookEPG.pgd#page=9~~ Standard Specifications Sec 617.30]. The design of the barrier wall delineators shall be in accordance with [https://www.modot.org/media/51221 Standard Plan 903.00] and [~~http~~://www.modot.org/~~business/standards_and_specs/SpecbokEPG.pdf#page=14~~ Standard Specifications Sec 1065]. The color of the retroreflective sheeting used shall match the color of the adjacent edge line.		'''Standard.''' Permanent barrier walls and bridge barrier walls shall be delineated in accordance with [https://www.modot.org/missouri-standard-specifications-highway-construction Standard Specifications Sec 617.30]. The design of the barrier wall delineators shall be in accordance with [https://www.modot.org/media/51221 Standard Plan 903.00] and [https://www.modot.org/missouri-standard-specifications-highway-construction Standard Specifications Sec 1065]. The color of the retroreflective sheeting used shall match the color of the adjacent edge line.

	'''Guidance.''' Where there is traffic on both sides of a barrier wall, a two-sided delineator with retroreflective sheeting on both sides, should be used. On two-lane roads the bridge barrier walls should be delineated with white retroreflective sheeting on both sides of the delineator.		'''Guidance.''' Where there is traffic on both sides of a barrier wall, a two-sided delineator with retroreflective sheeting on both sides, should be used. On two-lane roads the bridge barrier walls should be delineated with white retroreflective sheeting on both sides of the delineator.

Hoskir: Renamed, renumbered and updated article due to MUTCD updates (See Special Ballot)

2026-01-06T20:38:50Z

Renamed, renumbered and updated article due to MUTCD updates (See Special Ballot)

Show changes

Hoskir: Hoskir moved page 620.5 Delineators (MUTCD Chapter 3F) to 620.6 Delineators (MUTCD Chapter 3G): renumbered and renamed due to MUTCD Update (See Special Ballot)

2026-01-06T20:01:42Z

Hoskir moved page 620.5 Delineators (MUTCD Chapter 3F) to 620.6 Delineators (MUTCD Chapter 3G): renumbered and renamed due to MUTCD Update (See Special Ballot)

← Older revision	Revision as of 15:01, 6 January 2026
(No difference)

Hoskir: /* 620.5.6 Barrier Wall Delineation */ updated per RR4030

2025-04-14T14:17:49Z

620.5.6 Barrier Wall Delineation: updated per RR4030

← Older revision		Revision as of 09:17, 14 April 2025
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	==620.5.6 Barrier Wall Delineation==		==620.5.6 Barrier Wall Delineation==
	'''Standard.''' Permanent barrier walls and bridge barrier walls shall be delineated in accordance with [~~https~~://www.modot.org/~~missouri-standard-specifications-highway-construction~~ Section 617.30 of the Standard Specifications]. The design of barrier wall delineators shall be in accordance with [https://www.modot.org/media/~~51221~~ Standard Plan 903.00] and [~~https~~://www.modot.org/~~missouri-standard-specifications-highway-construction~~ Standard Specification Sec 1065]. The color of the barrier delineators shall match the color of the adjacent edgeline.		'''Standard.''' Permanent barrier walls and bridge barrier walls shall be delineated in accordance with [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=9 Section 617.30 of the Standard Specifications]. The design of barrier wall delineators shall be in accordance with [https://www.modot.org/media/16921 Standard Plan 903.00] and [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=14 Standard Specification Sec 1065]. The color of the barrier delineators shall match the color of the adjacent edgeline.

	'''Guidance.''' Where there is traffic on both sides of a barrier wall, a two sided delineator with retroreflective sheeting on both sides, should be used. On two-lane roads the bridge barrier walls should be delineated with white retroreflective sheeting on both sides of the delineator.		'''Guidance.''' Where there is traffic on both sides of a barrier wall, a two sided delineator with retroreflective sheeting on both sides, should be used. On two-lane roads the bridge barrier walls should be delineated with white retroreflective sheeting on both sides of the delineator.

	'''Standard.''' If a barrier wall is present at off ramps, the back side of the barrier wall delineator shall be red retroreflective sheeting. The red sheeting is used on the back side of barrier wall delineators from the crossroad to the start of the deceleration lane on the main line.		'''Standard.''' If a barrier wall is present at off ramps, the back side of the barrier wall delineator shall be red retroreflective sheeting. The red sheeting is used on the back side of barrier wall delineators from the crossroad to the start of the deceleration lane on the main line.

	'''Option.''' The use of the red sheeting on the back side of barrier wall delineators may be used wherever there is a need to discourage wrong way driving.		'''Option.''' The use of the red sheeting on the back side of barrier wall delineators may be used wherever there is a need to discourage wrong way driving.

	[[Category:620 Pavement Marking\|620.05]]		[[Category:620 Pavement Marking\|620.05]]

Hoskir: /* 620.5.5 Guardrail Delineation */ updated per RR4030

2025-04-14T14:16:27Z

620.5.5 Guardrail Delineation: updated per RR4030

← Older revision		Revision as of 09:16, 14 April 2025
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	==620.5.5 Guardrail Delineation==		==620.5.5 Guardrail Delineation==
	[[image:620.4.5.jpg\|right\|85px]]		[[image:620.4.5.jpg\|right\|85px]]
	'''Standard.''' All guardrail shall be delineated in accordance with [~~http~~://www.modot.org/~~business/standards_and_specs/SpecbookEPG.pdf#page=9~~ Section 606.10.2.3 of the Standard Specifications]. The design of the guardrail delineators shall be in accordance with [https://www.modot.org/~~standard-plans-section-900~~ Standard Plans 903] and [~~http~~://www.modot.org/~~business/standards_and_specs/SpecbookEPG.pdf#page=14~~ Standard Specification Sec 1065]. The color of the retroreflective sheeting used shall match the color of the adjacent edgeline. If no edgeline is present, white shall be used on the right side facing approaching traffic.
			'''Standard.''' All guardrail shall be delineated in accordance with [https://www.modot.org/missouri-standard-specifications-highway-construction Section 606.10.2.3 of the Standard Specifications]. The design of the guardrail delineators shall be in accordance with [https://www.modot.org/media/51221 Standard Plans 903.00] and [https://www.modot.org/missouri-standard-specifications-highway-construction Standard Specification Sec 1065]. The color of the retroreflective sheeting used shall match the color of the adjacent edgeline. If no edgeline is present, white shall be used on the right side facing approaching traffic.

	On two-lane roads with two-way traffic the guardrail shall be delineated with white retroreflecitve sheeting on both sides of the delineator, including at bridge approaches.		On two-lane roads with two-way traffic the guardrail shall be delineated with white retroreflecitve sheeting on both sides of the delineator, including at bridge approaches.

Hoskir: /* 620.5.4 Delineator Placement and Spacing (MUTCD Section 3F.04) */ updated per RR4030

2025-04-14T14:14:36Z

620.5.4 Delineator Placement and Spacing (MUTCD Section 3F.04): updated per RR4030

← Older revision		Revision as of 09:14, 14 April 2025
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	==620.5.4 Delineator Placement and Spacing (MUTCD Section 3F.04)==		==620.5.4 Delineator Placement and Spacing (MUTCD Section 3F.04)==

	'''Guidance.''' Delineators should be mounted on suitable supports at a mount height, measured vertically from the bottom of the lowest retroreflective device to the elevation of the near edge of the roadway, of approximately 4 ft., see [https://www.modot.org/~~standard-plans-section-900~~ Standard Plans 903].		'''Guidance.''' Delineators should be mounted on suitable supports at a mount height, measured vertically from the bottom of the lowest retroreflective device to the elevation of the near edge of the roadway, of approximately 4 ft., see [https://www.modot.org/media/51221 Standard Plans 903.00].

	'''Option.''' When mounted on the face of or on top of guardrails or other longitudinal barriers, delineators may be mounted at a lower elevation than the normal delineator height recommended in the preceding paragraph.		'''Option.''' When mounted on the face of or on top of guardrails or other longitudinal barriers, delineators may be mounted at a lower elevation than the normal delineator height recommended in the preceding paragraph.

Hoskir: updated per RR4030

2025-04-14T13:58:16Z

updated per RR4030

← Older revision		Revision as of 08:58, 14 April 2025
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	\|-
	~~\|'''Standard Plan'''~~
	\|-
	~~\|[https://www.modot.org~~/~~media/16921 903.03 Sheets 11 - 14]~~
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			'''<u><center>Standard Plan</center></u>'''
			<center>[https://www.modot.org/media/51221 903.00]</center>
			</div>

	==620.5.1 Delineators (MUTCD Section 3F.01)==		==620.5.1 Delineators (MUTCD Section 3F.01)==

Hoskir: /* 620.5.6 Barrier Wall Delineation */

2025-03-19T18:37:49Z

620.5.6 Barrier Wall Delineation

← Older revision		Revision as of 13:37, 19 March 2025
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	==620.5.6 Barrier Wall Delineation==		==620.5.6 Barrier Wall Delineation==
	'''Standard.''' Permanent barrier walls and bridge barrier walls shall be delineated in accordance with [~~http~~://www.modot.org/~~business/standards_and_specs/SpecbookEPG.pdf#page=9~~ Section 617.30 of the Standard Specifications]. The design of barrier wall delineators shall be in accordance with [https://www.modot.org/media/~~16921~~ Standard Plan 903.03] and [~~http~~://www.modot.org/~~business/standards_and_specs/SpecbookEPG.pdf#page=14~~ Standard Specification Sec 1065]. The color of the barrier delineators shall match the color of the adjacent edgeline.		'''Standard.''' Permanent barrier walls and bridge barrier walls shall be delineated in accordance with [https://www.modot.org/missouri-standard-specifications-highway-construction Section 617.30 of the Standard Specifications]. The design of barrier wall delineators shall be in accordance with [https://www.modot.org/media/51221 Standard Plan 903.00] and [https://www.modot.org/missouri-standard-specifications-highway-construction Standard Specification Sec 1065]. The color of the barrier delineators shall match the color of the adjacent edgeline.

	'''Guidance.''' Where there is traffic on both sides of a barrier wall, a two sided delineator with retroreflective sheeting on both sides, should be used. On two-lane roads the bridge barrier walls should be delineated with white retroreflective sheeting on both sides of the delineator.		'''Guidance.''' Where there is traffic on both sides of a barrier wall, a two sided delineator with retroreflective sheeting on both sides, should be used. On two-lane roads the bridge barrier walls should be delineated with white retroreflective sheeting on both sides of the delineator.

	'''Standard.''' If a barrier wall is present at off ramps, the back side of the barrier wall delineator shall be red retroreflective sheeting. The red sheeting is used on the back side of barrier wall delineators from the crossroad to the start of the deceleration lane on the main line.		'''Standard.''' If a barrier wall is present at off ramps, the back side of the barrier wall delineator shall be red retroreflective sheeting. The red sheeting is used on the back side of barrier wall delineators from the crossroad to the start of the deceleration lane on the main line.

	'''Option.''' The use of the red sheeting on the back side of barrier wall delineators may be used wherever there is a need to discourage wrong way driving.		'''Option.''' The use of the red sheeting on the back side of barrier wall delineators may be used wherever there is a need to discourage wrong way driving.

	[[Category:620 Pavement Marking\|620.05]]		[[Category:620 Pavement Marking\|620.05]]