import geopandas as gpd
import geojsonio
import pandas as pd

# Set up the simple style spec mapping of highway to color and width
highway = ['motorway', 'trunk', 'primary', 'secondary', 'tertiary', 'residential']
# Colors pasted from colorbrewer2.org, qualitative, 7-class Set1 (removing the yellow color)
colors = """
#e41a1c
#377eb8
#4daf4a
#984ea3
#ff7f00
#a65628
""".split()
widths = range(len(highway), 0, -1)  # Countdown so smallest is width 1
 
# 'stroke' and 'stroke-width' are the defined properties for line color/width:
# http://github.com/mapbox/simplestyle-spec
style = pd.DataFrame({'stroke': colors,
                      'stroke-width': widths,
                      'highway': highway})

style

# Load up the OSM data
df = gpd.read_file('cambridge_raw_osm.geojson')

df_styled = gpd.GeoDataFrame(df.merge(style, on='highway'))

geojsonio.embed(df_styled.to_json(na='drop'))