New York State Local Technical Assistance Program

Quick Answers: Traffic Control

I have received complaints about landscaping trucks parking on roads while they are servicing lawns for long periods of time. What are the regulations or procedures that govern the use and obstruction of public roads for private business activities such as landscaping?  (3/10/21)

Where can I find information on performing simple traffic studies for items such as stop sign placement or traffic counts? (2/4/21)

Does the Manual of Uniform Traffic Control Devices (MUTCD) require the use of diamond grade vinyl for stop signs, stop ahead signs, and/or double arrow signs? (12/1/20)

Can we use signs with LEDs in the border to enhance conspicuity? (8/13/20)

How do I post or assign a speed limit on a dead-end road? (5/27/20)

Are rumble strips considered traffic control devices and, if so, does the MUTCD govern their design, spacing, etc.? (2/20/20)

What signs should we replace first? (2/13/20)

Can you mount a county route marker on the same post as a speed limit sign? (1/22/19)

Can a town designate a town road: “No Through Traffic - Local Traffic Only”? (12/6/19)

Can street name signs be installed on the same post as a STOP sign? (11/25/19)

I am a town highway superintendent and I have a newly reconstructed road where I want to post a weight limit of 15 tons. The road is being used as a short cut by tractor trailers and I want them to stay on the main state roads. What would be the process for establishing this weight limit? (10/23/19)

I would like a stop sign installed at an intersection I think is dangerous. What is the process for requesting the installation of a stop sign at an intersection near a school?  (10/16/19)

I have a local citizen who is demanding that a town road be striped. I disagree with this person because I do not see a need but what standards or regulations should I cite when communicating my opinion? (10/9/19)

What are the recommended advanced posting distances for Deaf Child Area signs? (10/2/19)

We currently install base posts, lap splice joints and a sign post for all signage. According to page 14 paragraph 3 of the 2010 FHWA Guide  “Maintenance of Signs and Sign Supports” a "A U-channel post of re-rolled rail steel weighing 3 pounds-per-foot or less meets breakaway requirements by itself.” Is that still an acceptable standard for breakaways? (9/25/19)

Is parking allowed across the street parallel to the opening end of a T intersection? (6/13/19)

Are purple and white acceptable colors for a village to choose for a village trail sign? (11/7/18)

Does the MUTCD allow intersection murals or widespread application of artwork to the street? (8/29/18)

What options do I have to improve safety and awareness for a blind resident who must cross a roundabout in my town? (8/23/18)

Can a village speed limit be set to 25 mph? (8/14/18)

When are curve and turn signs required? (8/8/18)

Who has to authorize the placement of traffic lines for passing and no passing zones on a town highway? (7/31/18)

Are town boards in charge of what type of regulatory, warning, informational, or guide signs are placed and where they are installed? (1/22/18)

It appears that the New York State supplement to the MUTCD does not provide any information about whether a fluorescent red or orange flag may be used for traffic control. Can you clarify? (1/16/18)

It looks like there is a conflict between the 2009 MUTCD and the Traffic Sign Handbook on speed reduction and the correct use of the W2-5 (reduced speed limit) sign. Can you clarify?

Do I have to follow MUTCD?

Where does the centerline start and stop at an intersection?

Is the size of the double arrow sign (W1-7) changing?

What is the minimum height of a sign?

What signs are allowed since FLAGGER (W20-7a) & WORKERS (W21-1a) signs shall not be used in New York State according to the NYS Supplement?

How do I use a roundabout?

How can I get a quick estimate of traffic volume on my highways?

Are Deaf Child and Blind Child Area signs limited to children?

What does a blinking left arrow mean?

What are the NYS requirements for a municipality to remove an existing sign?

What is the difference between no parking, no standing, and no stopping?

Are we allowed to put 12 inch high street signs (D3-1) on top of a stop sign (R1-1), or should they be put on a separate post?

Is there a specific regulation that sets a timer for the replacement of downed signs?

Can we use three flags to improve “Conspicuity” on our road signs?

What is a clear definition of a “Clear Zone”?


How do I sign/stripe a parking space for persons with disabilities on the street?

What sign should be used when all trucks are banned from a highway?

Can municipalities be compelled to replace their signs to meet the new retroreflectivity standards?

Are “Turn Around Don’t Drown” signs allowed in New York State?

Is it acceptable to use other descriptions for driveway entrance plaques (NYW5-16P, NYW5-17) than the “Hospital” and “Fire House” mentioned in the NYS Supplement?

What does the Board need to do in order to have the Highway Department install a mid-block crosswalk?

When can a W1-1a or W1-2a horizontal alignment warning sign combining horizontal warning AND advisory speed be used?

Is it true that we have to start using a new handicap sign?

What are the requirements for the use of roll up speed limit signs used in work zones?

Can the Police Chief create a ‘Police Parking Only’ spot near the Police Station?

When is it acceptable to post more than one sign on a single post?

How far apart should signs be placed along the highway?

What signs can be used to alert drivers to bicycles using the highway?

When should I use warning signs for bikes, pedestrians, buggies, or other non-typical highway use?

What are the regulations regarding Building Permits, Zoning Regulations, and Peddler Restrictions on signs at the entry into a town?

Who set speed limits on local highways?


What is the traffic volume cut off between high-volume and low volume?

Are strobe lights allowed in red signals?

How do I sign a skewed RR crossing which can cause problems for bikes and motor cycles?

Can I put a painted stop line at a yield sign location?

Can I paint a single yellow stripe down the center of a highway just for guidance?

Is a Highway Department permitted to put up a NO PARKING ON PAVEMENT sign without a sidewalk district?

What are the sign regulations for attaching a NO LITTERING sign to a speed limit sign post?

What training and certification is needed for flaggers?

What do I have to do to meet the sign retroreflectivity standard that goes into effect on June 13, 2014?

What am I required to do concerning notification, barriers etc. if I have to close a road temporarily?

What are the proper ways to sign one or more parking spaces for persons with disabilities?

What is the lettering height and spacing for a Political Boundary sign (NYI12-2)?

Where can I find information about improving curve safety?

A residential area wants a “speed hump” or “ speed table.” What are they?

Why can’t I use a Slow Moving Vehicle Triangle to mark the end of my driveway?

What is the proper layout and placement for a stop sign and street sign on a single post?

When does the price of salt automatically increase when using the State OGS bid?

Can we put a yield sign to warn drivers to yield when turning left at a sharp intersection?


What is the width of a bike lane?

What is the distance between speed limit signs?

Can you mark road shoulders as bike lanes?

What is the size of a parking lot stall?

Does the type of street (Street, Avenue, Road …) have to be on a Street Name Sign?

What are work zone traffic control standards in New York State?

What roads need to have Dead End Road signs?

Can I change a two-way road to a one-way road?

Is the S4-5a sign is still used?

If the advisory speed (say 55 mph) equals the posted speed limit (55 mph), do you have to place a horizontal curve warning sign?

Can I use my old steel barrels and homemade wooden barricades in a work zone?


Where should Dead End Road signs be placed?

Where can I find out more information on rumble strips?

How do I know if there is enough sight distance at an intersection?

Where can I use the Clearview font?

Where can I find out the functional classification of a particular highway?

Why are stops signs not recommended for speed control?

Can I use an “Autistic Child” warning sign in New York?

Are there any requirements for how many and how bright yellow (amber) flashing lights are to be on work trucks?

What is the proper placement of the Railroad Advanced Warning Sign?

What is the status of the MUTCD compliance date changes proposed in the Summer 2011? (13/2/2012)

Who is responsible for the placement and maintenance of Advanced Warning signs for railroad crossings?

Are the requirements for crashworthiness posts to be changed with the proposed revision to the MUTCD?

What is the status of the “Children at Play” sign?

Do warning signs near a school need to be fluorescent yellow/green or can they stay yellow?


Our community is interested in learning more about shared lane markings, aka "sharrows", as a tool to help motorists and bicyclists share the road safely. What can you tell us about them?

I heard many of the new requirements of the 2009 National MUTCD are being eliminated. Is this true?

Where should I put 911 emergency or grid address numbers on a street sign?

What is the speed limit when there is no posting (no signs)?

What is the minimum size for a Stop sign? Can I use 24 inch signs I have in stock?

Are there new sizes for work zone signs?

What traffic control is required in a nightime work zone?

Can we use flags to control traffic?

Where can I find the proper distances for the advance placement of warning signs?

What is the text on Reduced Speed Limit Ahead Signs?


When are retroreflective strips on sign supports required?

When do sign posts have to meet the new standards for crashworthiness?

Does a flagger have to wear a vest?

Can I use my old signs even if they do not meet the requirements of the new 2009 National MUTCD?

What is the minimum size and colors allowed for Street Name Signs?

Do I really have to use chevrons and curves on every turn with a change in speed of 15 mph or more?

Which National MUTCD should be followed in New York State?


I have a bunch of old signs in inventory. Can I use them even though the designations have changed?

What is the proper layout for a new sign?

Where can I acquire a copy of the New York State Vehicle & Traffic Law (the V&T)?

What are the proper pavement markings in advance of a Railroad Crossing?

Should all crosswalks be painted?

What are the requirements for breakaway hardware for sign posts on rural roads?

What are the requirements for safety vests in the right-of-way?

Are work zone signs required to be retroreflective?

Are signs and sign hardware general fund items?

Are work zone traffic control templates available?

Can we keep using our older metal work zone signs?

When and where is it appropriate to use an in-street pedestrian crossing sign?

What are the minimum traffic volumes for using multiway stop signs?

What color is a "Cross Traffic Does Not Stop" sign?

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This work by the Cornell Local Roads Program (CLRP) is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License.