Kenya Highway Code: Road Signs, Road Markings & Traffic Signals Explained

Kenya follows the Vienna Convention on road signs — the same international system used across most of the world. Understanding road signs is essential for the NTSA theory test and, more importantly, for safe driving on Kenyan roads every day.

Key Facts About Kenya Road Signs

▸Warning signs: RED TRIANGLE — alert you to a hazard ahead
▸Regulatory signs: RED CIRCLE — tell you what you must or must not do
▸Informatory signs: RECTANGLE — give information about routes and destinations
▸Give Way: inverted triangle
▸Stop: red OCTAGON — the only octagonal sign
▸All signs are covered in the Kenya Highway Code (NTSA publication)

The Kenya Road Sign System

Kenya road signs are divided into three main categories, each with a distinct shape and colour system that makes them identifiable at a glance — even before you read the text:

Category	Shape	Colour	Purpose
Warning / Hazard Signs	Equilateral Triangle (point up)	Yellow/white with red border	Alert you to a danger or hazard ahead
Regulatory / Prohibitory Signs	Circle	White with red border, or blue circle	Tell you what you MUST or MUST NOT do
Informatory / Direction Signs	Rectangle or square	Blue, green, or white	Provide information about routes, distances, facilities
Give Way	Inverted triangle (point down)	White with red border	You must give way to traffic on the priority road
Stop	Octagon	Red with white letters	You must stop completely — the only octagonal sign

Warning Signs (Triangular) — Hazard Ahead

Warning signs are triangular with a red border and yellow or white background. They alert you to a potential hazard ahead — but they do not require you to stop. You must slow down and be prepared to react.

Common Warning Signs in Kenya

Sign Name	What It Means	What To Do
Junction Ahead (crossroads)	An intersection is approaching	Slow down, be ready to give way
Roundabout Ahead	Roundabout is ahead	Slow down, prepare to give way to traffic inside
Sharp Bend Left/Right	Tight bend in road ahead	Reduce speed significantly before the bend
Double Bend	Two bends in opposite directions	Reduce speed, stay in lane
Pedestrian Crossing Ahead	Zebra crossing approaching	Slow down, be prepared to stop for pedestrians
School Zone Ahead	School nearby — children crossing	Slow to 30 km/h, be prepared to stop
Slippery Road Ahead	Road surface may be slippery	Reduce speed, increase following distance
Narrowing Road	Road becomes narrower ahead	Stay central, be prepared for oncoming traffic
Uneven Surface / Bump	Speed bump or rough road ahead	Reduce speed before reaching the bump
Level Crossing (railway)	Train tracks cross the road ahead	Slow down significantly, look both ways
Animal Crossing	Wild or domestic animals may cross	Slow down, be alert
Road Works Ahead	Construction or maintenance ahead	Slow down, follow temporary signs

Regulatory Signs (Round) — You Must Obey

Regulatory signs are circular and tell you what you must or must not do. They are legally binding — ignoring them is a traffic offence. There are two types: prohibitory (red border) and mandatory (blue background).

Prohibitory Signs (White circle with red border)

Sign	Meaning
Speed Limit (e.g., 50)	Maximum speed in km/h — you must not exceed this
No Entry	You must not drive into this road
No Overtaking	You must not overtake — solid red diagonal lines
No U-Turn	U-turns are forbidden
No Parking	You must not park here
No Stopping	You must not stop or park here at any time
No Right/Left Turn	Turning in that direction is forbidden
No Horns / Quiet Zone	Sounding your horn is prohibited

Mandatory Signs (Blue circle)

Keep Left / Keep Right — you MUST stay on that side
Minimum Speed — you must drive at least this fast (unusual but exists in tunnels/some highways)
Ahead Only — you must go straight; turning is not permitted
Turn Left/Right Ahead — mandatory turn direction

Informatory Signs (Rectangular) — Guidance & Information

Informatory signs provide useful information but do not issue commands. They are rectangular and use blue, green, or white backgrounds:

Direction signs (green/blue): show destination names, distances, and route numbers
Hospital signs (blue with H): hospital ahead
Petrol station (blue): fuel station nearby
Parking (blue P): parking area ahead
Motorway signs (green): route and distance information
Tourist signs (brown): points of interest
One Way (white arrow on blue): indicates one-way traffic direction

Road Markings — Lines, Arrows, and Symbols

Marking	Meaning
Solid white centre line	Do NOT overtake — no crossing this line
Broken/dashed white centre line	Overtaking permitted when safe
Double solid white lines	Absolutely no crossing — treat as a barrier
White edge line (fog line)	Marks the left edge of the road
Yellow centre line	No parking on either side of this section
Zigzag lines (near crossings)	No parking or overtaking near pedestrian crossings
White arrows on road	Show permitted direction of travel for your lane
Box junction (yellow criss-cross)	Do not enter unless your exit is clear
White pedestrian stripes	Zebra crossing — give way to pedestrians
Bus lane markings	Reserved for buses during stated hours

Traffic Light Rules in Kenya

Light Colour	Meaning	What to Do
Red	Stop	Stop before the stop line — do not proceed
Amber / Yellow	Prepare to stop	Stop if safe to do so — do NOT speed up to beat it
Green	Proceed if safe	Move forward only when the way is clear
Red + Amber together	Prepare to move off	Get ready to go — do not move yet
Green arrow	Filter movement	You may proceed in the arrow direction only
Flashing amber	Treat as Give Way	Slow down and proceed with caution
Flashing red	Treat as Stop sign	Stop completely, then proceed when clear

Amber Means Stop — Not Speed Up

A very common mistake by Kenyan drivers is accelerating through an amber light. Amber means stop if it is safe to do so. Jumping an amber or red light is a KSh 10,000 fine and creates serious accident risk.

Study the Official Hi-Way Signs Chart

The NTSA provides an official Hi-Way signs wall chart — the same one used in Stega Driving School's theory classroom. It shows every sign with its correct name. Study this chart alongside the Kenya Highway Code book for guaranteed theory test success.

Frequently Asked Questions

QHow many road sign categories are there in Kenya?

There are three main categories of road signs in Kenya: Warning signs (triangular, red border), Regulatory signs (circular — either red border prohibitory or blue mandatory), and Informatory signs (rectangular). The Stop sign is uniquely octagonal and the Give Way sign is an inverted triangle.

QWhat does a solid white line in the middle of the road mean in Kenya?

A solid white centre line means you must NOT overtake. You may only cross it in an emergency or to access a property. A broken/dashed white line means overtaking is permitted when it is safe to do so.

QCan I cross an amber traffic light in Kenya?

No. Amber means you must stop if it is safe to do so. If you are too close to the stop line to stop safely, you may proceed — but accelerating to 'beat' an amber light is both illegal and dangerous, and can result in a fine.

QWhat does a yellow line on the road mean in Kenya?

A yellow centre line means no parking on either side of the road in that section. It is commonly used near junctions, bends, and bus stops where parking would be dangerous or obstruct traffic.