Talk:Driving under the influence

5 ng/ml

"Colorado law states that "drivers with five nanograms of active tetrahydrocannabinol (THC) in their whole blood can be prosecuted for driving under the influence (DUI)."

"For example, in Illinois it is illegal to operate a motor vehicle with a THC level of 5 nanograms or more per milliliter of whole blood"

Should that be 5 ng/ml for Colorado, too, or is it really 5 ng in the whole blood of the body (roughly 5 litres (11 US pt) or 1.3 gallons)?

And which USAnian understands ng/ml? That should be something like 22/4294967296 oz/fl. oz ;).

Darsie42 (talk) 00:06, 12 March 2022 (UTC)

"Wet reckless" listed at Redirects for discussion

An editor has identified a potential problem with the redirect Wet reckless and has thus listed it for discussion. This discussion will occur at Wikipedia:Redirects for discussion/Log/2022 April 14#Wet reckless until a consensus is reached, and readers of this page are welcome to contribute to the discussion. Pabsoluterince (talk) 12:12, 14 April 2022 (UTC)

alt names

Hey, @Arllaw, ten bolded alt names seems excessive in the lead. Do we even have a citation for booze cruising, for example? I'm also thinking we don't need every redirect bolded?

Maybe we could move them to a 'Names' section, per MOS:ALTNAME when there are more than three? Valereee (talk) 01:17, 6 February 2023 (UTC)

I've BOLDly done that. LMK what you think. Valereee (talk) 01:52, 6 February 2023 (UTC)

Wiki Education assignment: Legal Research

This article was the subject of a Wiki Education Foundation-supported course assignment, between 21 August 2023 and 17 December 2023. Further details are available on the course page. Peer reviewers: Wellesemery, ChickenNugg2343.

— Assignment last updated by User78632 (talk) 15:34, 10 November 2023 (UTC)

Road signs in Pakistan

Road signs in Pakistan

Road signs in Pakistan are standardized traffic control devices used to regulate, warn, and guide road users across Pakistan. The country's road signage system is primarily based on the Manual of Signs, Signals and Markings published by the National Transport Research Centre (NTRC) under the Planning Commission of Pakistan in 1989. Road signs are generally bilingual, displaying information in both Urdu and English, although regional languages may appear in certain provinces.

Pakistan follows left-hand traffic rules, and road signs are designed in accordance with international traffic engineering principles commonly used in Commonwealth countries.

History

Modern road signage in Pakistan developed after independence in 1947 as the country's road infrastructure expanded. Early traffic signs were largely adapted from British colonial standards due to the historical influence of the British road system in the Indian subcontinent.

During the 1980s, increasing urbanization and traffic growth led authorities to introduce more standardized traffic engineering practices. In 1989, the National Transport Research Centre published the Manual of Signs, Signals and Markings, which established national standards for regulatory, warning, and informatory signs.

Over the years, provincial traffic authorities, municipal corporations, and highway agencies have continued to modernize road signage systems in major cities and highways.

Standardization

Road signs in Pakistan are regulated by various national and provincial authorities, including:

National Highway Authority (NHA)

National Transport Research Centre (NTRC)

Provincial highway departments

Traffic engineering and transport planning agencies

Municipal administrations

The signage system follows internationally recognized traffic safety principles and incorporates symbols, colors, and shapes intended to be easily understood by motorists and pedestrians.

Categories of road signs

Road signs in Pakistan are generally divided into the following categories:

Regulatory signs

Regulatory signs are used to inform drivers of traffic laws and restrictions. These signs are typically circular with red borders and indicate mandatory instructions or prohibitions.

Common regulatory signs include:

Stop

No entry

Speed limit

No parking

One way

No U-turn

Keep left

Failure to obey regulatory signs may result in fines or traffic violations under provincial and national traffic laws.

Warning signs

Warning signs alert road users about potential hazards or unusual road conditions ahead. These signs are usually triangular with red borders.

Examples include:

Sharp curve ahead

School ahead

Slippery road

Pedestrian crossing

Road works

Railway crossing

Animal crossing

Warning signs are commonly installed on highways, mountainous roads, and urban intersections.

Informatory signs

Informatory signs provide directions, distances, and general information to road users. These signs are commonly rectangular and use white text on green or blue backgrounds.

Examples include:

Route directions

Hospital

Petrol station

Airport

Parking area

Bus stop

Tourist information

Motorways in Pakistan use standardized green directional signs similar to international motorway systems.

Motorway signs

Pakistan's motorway network features specialized signage designed for high-speed traffic management. These signs are installed and maintained by the National Highways and Motorway Police and the National Highway Authority.

Motorway signs include:

Exit information

Distance markers

Lane control signs

Emergency instructions

Speed regulations

Service area information

Electronic variable message signs have also been introduced on certain motorway sections.

Languages

Most road signs in Pakistan are bilingual and display information in Urdu and English. In some provinces and regions, local languages such as Punjabi, Sindhi, Pashto, or Balochi may also appear on signs.

English is commonly used on highways, airports, and tourist routes to assist international travelers.

Traffic signal systems

Traffic signal systems in Pakistan are used in major urban areas to manage traffic flow and pedestrian movement. Signals typically use the standard red, yellow, and green light sequence.

Several cities have introduced intelligent traffic management systems, synchronized traffic signals, and digital monitoring systems to improve road safety and reduce congestion.

Road safety and challenges

Road signage and traffic infrastructure in Pakistan have faced criticism regarding maintenance, visibility, and consistency. In some urban and rural areas, damaged, missing, or outdated signs have been reported.

Rapid urban growth, heavy traffic volume, weather conditions, and limited maintenance budgets have contributed to challenges in maintaining standardized road signage nationwide.

Government agencies and traffic police departments have periodically launched road safety campaigns and awareness programs to educate drivers about traffic rules and road signs.

Road safety education

Road signs are an important component of driver education and licensing procedures in Pakistan. Learner drivers are typically required to study traffic symbols and signs before appearing for theoretical driving tests.

Traffic police departments, schools, and road safety organizations regularly conduct awareness campaigns regarding:

Traffic signals

Pedestrian safety

Helmet use

Seat belt compliance

Speed management

Defensive driving

Educational materials related to Pakistani road signs are also available through driving schools, learner handbooks, and online traffic education platforms.

See also

Transport in Pakistan

National Highway Authority

National Highways and Motorway Police

Traffic sign

Road safety

Driving licence in Pakistan

References

External links

National Highway Authority

National Transport Research Centre

Driving Signs Online

National Highways and Motorway Police RajaAamirZaman (talk) 19:04, 15 May 2026 (UTC)