Road map of India with National Highway 22 highlighted in solid blue color
|Length:||459 km (285 mi)|
|Southwest end:||Ambala, Haryana|
|Northeast end:||Khab, Himachal Pradesh|
|States:||Haryana: 30 km (19 mi)
Punjab: 31 km (19 mi)
Himachal Pradesh: 398 km (247 mi)
|Ambala - Kalka -Solan - Shimla - Narkanda - Rampur - Khab|
Starting in Ambala, in northern Haryana as an offshoot of NH 1, the NH 22 runs north towards Zirakpur, outside Chandigarh. This first 40 km stretch, running partly through eastern Punjab, is named as the Ambala Chandigarh Expressway, and is a modern and well-maintained four lane section with several bridges and three major flyovers.
At Zirakpur, it meets the NH 5, and turns north-east through Panchkula to Pinjore, where the NH 21A heads north-west, then to Kalka and Parwanoo. The expressway has now been extended to byepass the towns of Pinjore and Kalka, which were previously a major traffic bottleneck point.
After Kalka, the highway enters Himachal Pradesh, and as the terrain changes it becomes a mountain road with extensive hairpin turns. It continues north-east to Solan, and then north to Shimla, where it joins the NH 88. Between Kalka and Shimla, several sections run near the Kalka-Shimla Railway. From Shimla, it heads approximately north-east towards the Chinese frontier, reaching the border town of Khab just before the Line of Actual Control. Beyond Khab, the road runs for a short distance through Namgial to the Shipki La pass, where it enters Chinese territory.
The stretch from Delhi -Chandigarh-Solan-Shimla-Kalpa also featured in the History Channel's "IRT Deadliest Roads" TV series for its poor maintenance and hazardous driving conditions all through the year. Jaypee Corporation mostly appears to maintain the upper stretches of the road because of the need to transport material to its two projects upriver. Beyond Dhalli near Shimla, the road begins to deteriorate but is still a lifeline for the local people.
See also 
-  Details of National Highways in India-Source-Govt. of India
-  Map of NH 22
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