Sidewalks smoothed out for Niwot pedestrians

First, multi-colored flags began popping up around Niwot, next the appearance of cryptic symbols sprayed on sidewalks. Then came the influx of orange-vested workers and similarly colored hazard cones, huge tarps spread across pedestrian walkways, and the arrival of lots of trucks. It was clear that a big project was underway.

At least two dozen large sections of cracked and heaving sidewalk have b...